Transmission system in automobile pdf Mit steigender Bedeutung der Software geht der Trend hin zu einer übergreifenden System- und Funktionssicht sowie einem ganzheitlichen Entwicklungsprozess. A transfer Jan 1, 2010 路 This chapter presents a systematic exposition of basic design concepts for vehicle transmissions. 5 From Muscle Power to Full Power Brakes 1. In this article, you will learn in details that what is an automobile transmission system, components of transmission system, and its requirements. Also, explains the transmission system which is efficient in case of electric vehicles. It discusses the different types of transmission systems including manual, hydraulic, and automatic. So gear box is necessary to get required speed and torque. : Regents/Prentice Hall Collection internetarchivebooks; printdisabled; inlibrary Contributor Internet Archive A semi-automatic transmission (also known as an automated manual, clutchless manual, auto-manual, semi-manual, trigger shift, flappy-paddle or paddle-shift gearbox) is an automobile transmission that combines manual transmission and automatic transmission. These principles are related to specific examples in Chapter 12 “Typical Designs of Vehicle Transmissions”. Identify the components of and maintenance requirements for an automotive clutch. Automotive Power Transmission Systems Hybrid Electric Vehicles: Principles and Applications with Practical Perspectives, 2nd Edition Hybrid Electric Vehicle System Modeling and Control, 2nd Edition Thermal Management of Electric Vehicle Battery Systems Zhang and Mi Mi and Masrur Start reading 馃摉 Automotive Power Transmission Systems online and get access to an unlimited library of academic and non-fiction books on Perlego. The document discusses various components of automobile transmission systems including the clutch, gearbox, driveshaft, differential, and rear axle. Critical factors determining the successful power transmission include the appropriate control of the power transfer key components (clutches), the optimal power transmission coordination with the automotive driveline system, and the capability to smooth out the power source input oscillation in a fuel efficient fashion. . AUTOMOTIVE ENGINEERING LECTURE NOTES - Free download as PDF File (. 1 Arrangement of the Transmission in the Vehicle The important decisions at the concept phase of a new vehicle are the type of ve-hicle (saloon, coupé, sports car etc. In der 3. This is a type of automotive transmission that can automatically change the gear ratio as the vehicle moves, eliminating the need to manually change gears. MODULE - 1 (16 hours) • Automobile Architecture: Definition Of automobile, Automobile layout, Chassis, Automobile body, Automobile types: Front, Rear and Four-wheel drive, Safety parameters, Regulatory bodies. From there it travels through the differential gears to the two output shafts. The clutch is located between the flywheel and gearbox and allows the driver to engage and disengage the transmission of power from the engine to the drive wheels. Abstract This paper is studied about the five speed manual gear transmission system for Ford Ranger automobile. , Provide a varied leverage between the engine and the drive wheels Provide means to transfer, power in opposite direction. It begins by introducing the purpose of the transmission system and then describes several types of clutches in detail, including positive clutches, single plate clutches, multiplate clutches, cone clutches, and centrifugal clutches. It defines the transmission system as the mechanism that transmits power from the engine to the driving wheels. Based on the author’s extensive first-hand experience in the field, the book allows readers to gain a deep understanding of vehicle transmission. The manual transmission of an automobile is a multi-speed gear box. Jan 1, 2015 路 PDF | The paper provides an overview of modern technical solutions of automatic transmissions in automotive industry with their influence on sustainable | Find, read and cite all the research Types of Transmission - Free download as PDF File (. It then discusses the clutch, which is used to disengage and engage the engine from the transmission. 4 Diferential Gear Box 2. The document summarizes the main components of an automobile transmission system, including the clutch, gear box, transfer case, propeller shaft and universal joints, final drive, differential, and drive wheels. It covers concepts such as gear ratios, gear trains, different types of gears, and specific transmission types like sliding mesh and synchromesh. The driver manually shifts from gear to gear, changing the mechanical advantage to meet the vehicles needs. The power unit, transmission, and drivetrain and design system components or processes that meet the specified needs with afety, and the cultural, soci environmental considerations. 7 Electronic Brake Control Systems Basic Elements of the Braking Process 2. This document is an exam for an Automobile Engineering course assessing students' knowledge of transmission systems. of teeth of Driver gear on lay shaft - 18, Driven gear on main shaft - 39, Reverse Idler gear – 21 and First gear on lay shaft - 20. The transmission system in automobile is a vital component of any vehicle, serving as the bridge between the engine's power and the wheels that drive the vehicle forward. 2 The Hydraulically Operated Four- Wheel Brake 1. The main components of the transmission system are identified as the clutch, gearbox, propeller shaft, universal joints, rear axle, and wheels/tires. g. pdf - Free download as PDF File (. It also discusses the necessity and functions of frames, propeller shafts, differentials, clutches, transfer cases, and rear axles. The transmission provides different gear ratios to allow for variable torque output. This paper describes the overview of transmission system for the electric vehicle and also its advantages and limitations. Part A has 5 short answer questions about 4WD/AWD systems, synchronizers, slip joints Chapter 2_ Transmission System - Introduction to Automotive Engineering - Free download as PDF File (. The differential splits power Sep 30, 2019 路 AUTOMOTIVESYSTEM : To understand the construction and working principle of various parts of an automobile. It describes manual transmission, which requires the driver to manually change gears using the clutch and gear stick. Either you are preparing your-self to enter into the fi eld of automotive service or you are expanding your skills to include automotive electrical systems. Power is transmitted from the pinion gear to the ring gear. It begins by explaining that the transmission connects the engine to the drive wheels and allows the engine to operate within its optimal RPM range while delivering power to the The engine drivetrain system of the automobile consists of the engine, transmission, drive shaft, differential, and driven wheels. 1 Fundamental Principles of Traffic and Vehicle Engineering 23 2. Working with the electrical systems can be challenging Jul 4, 2022 路 The linkage between the fictional clutch and flywheel is used to clutch and declutch the transmission. , Transmission system deals with this objective. 1 Role of Propeller Shaft 2. txt) or read online for free. The document provides an overview of automobile engineering, focusing on the power train and transmission systems. The main aim of this study is about the investigation of how the five Explore the automobile transmission system, including manual and automatic types, key components, and how it transfers engine power to the wheels. , , TOPIC-TRANSMISSION SYSTEM, , BY ROUSHAN SIR, , Requirements Of Transmission System : Provide means of connection and disconnection of engine with rest of power train without shock and, smoothly. 2 Clutch 2. pdf), Text File (. It is shown in the neutral or non-drive position. It details the functions, importance, and types of transmission systems, including manual, automatic, and continuously variable It consists of clutch, gearbox, universal joint, propeller shaft, final drive, and axle shaft. Various types of clutches, gearboxes, differentials, and rear axle designs 12. J. Imperatives imposed upon the development of automotive transmissions are improving driving performance, increasing driving comfort and ease of use, in-creasing reliability and service life, reducing weight and installation space, raising efficiency levels, profiling the brand image, reducing costs and, above all, reduc-ing fuel consumption and pollutant emissions. The key Clarification: All the above mentioned losses are encountered while transmission of power. In this process, the engine generates power to drive the wheels, necessitating a connection between the engine and the transmission system. doc), PDF File (. This document is an educational material from Sri Krishna College of Engineering and Technology focused on transmission systems in automobiles, detailing the importance, functions, and types of transmission systems and gears. 2 This document discusses the manual transmission system in automobiles. The key components covered are the clutch, gearbox, driveshaft, differential, and axle. The clutch connects the engine to the transmission. The document discusses various automobile transmission systems, focusing on manual and automatic gear shifting mechanisms. The transmission system transmits power from the engine to the wheels. Definition Of Transmission System :- The mechanism that transmits the power developed by the engine of automobile to the engine to the driving wheels is called the Page 3 : SUB-AUTOMOBILE ENGG. This type of transmission is commonly called a dual clutch or an electron FIGURE 1–17 A Muncie four-speed manual transmission on a restored muscle car is an example of a close-ratio manual transmission. Auflage werden Hybrid- und Elektroantriebe konsistent in die bestehende Logik des Buchs eingebunden. 1 The Significance of Motor Vehicles in our Mobile World 24 2. 7 Study on Control Strategies for Lockup Process of Lockup Clutch Bibliography 13 Automobile and Transmission Vibration and Noise The document discusses various components and types of automotive transmissions. Conduct investigations of complex problems: Use research-based knowledge and research methods including design of experiments, analysis and interpretation of data, This chapter covers the design, kinematics, and dynamics of automatic transmissions (AT). Its diagram, parts, working, advantages, and applications all are explained. Chief function of the device is to receive power at one torque and angular velocity and to deliver it at another torque and the corresponding angular velocity. The requirements of the transmission system and the types of ME-8091 AUTOMOBILE ENGINEERING Question Bank pollutants in exhaust gases from 13 1. This technology has evolved significantly over the years, enhancing driving 2 Overview of the Traffic - Vehicle - Transmission System 23 2. UNIT-III TRANSMISSION SYSTEM TRANSMISSION SYSTEM Chief function of the device is to receive power at one torque and angular velocity and to deliver it at another torque and the corresponding angular velocity. It includes detailed explanations of various transmission types, their components, and What is Transmission? The transmission system is one of the most basic and important parts of a vehicle. 2 *Automobile Transmission System* Transmission System: Power developed by engine is used – Engine to turn the wheels so that the motor vehicle can be propelled on the road. Automobile Engineering (AEN) (315372) Chapter No. The transmission must meet requirements like Nov 14, 2024 路 Concept of Automotive Transmission Systems The automotive transmission system is an essential component of vehicles, responsible for transferring power generated by the engine to the drive wheels. Series Editor: Thomas Kurfess Automotive Power Transmission Systems Zhang and Mi September 2018 Hybrid Electric Vehicles: Principles and Mi and Masrur October 2017 Applications with Practical Perspectives, 2nd Edition Hybrid Electric Vehicle System Modeling and Control, 2nd Edition Liu April 2017 Thermal Management of Electric Vehicle Battery Systems Dincer, Hamut and Javani March 2017 Foreword Professor Chen Yong has been engaged in the research and development of automotive transmissions for a long time. • Various Units of an Automobile: Engine and its different systems (Fuel system, Cooling system, Lubrication system), Air intake and exhaust system, Transmission system Introduction of chassis layouts, steering system, suspension system, braking system, cooling system and fuel injection system and fuel supply system. 02. The propeller shaft transmits power from the engine to the rear axle, using universal joints to allow for flexibility. He worked in the world famous auto-matic transmission company (JATCO) of Nissan Motor for 19 years, and completed the development and mass production of many automatic transmission products; after that, he worked in domestic automobile enterprises for nine years, leading Abstract - In automobiles, the engine is a variable drive which transmits power. 1 Introduction 2. It describes the basic structure as consisting of the chassis, frames, and body. The document discusses various components of automotive transmission systems including their functions, requirements, types, and operation. The transmission consists of a train of gears with different sizes. K. It describes the main requirements of clutches including torque transmission, gradual engagement, heat dissipation, and others. The document summarizes key components of an automobile's transmission system, including the propeller shaft, universal joints, differential, rear axle, and torque converter. So automatic gear shifting system is costly than manually gear shifts system but manually gear shifting system is difficult to understand for handicap people or it take physical effort to change gear Sep 6, 2021 路 Automobiles -- Transmission devices, Automatic, Automobiles -- Transaxles, Automobiles -- Transmission devices, Automatic -- Maintenance and repair, Automobiles -- Transaxles -- Maintenance and repair Publisher Englewood Cliffs, N. General arrangement of power transmission system (or) front engine rear wheel drive: Fig (1) shows that layout of the front engine rear wheel drive. It describes the purpose and basic functioning of each component. It provides definitions and explanations of these components, describing where they are located in different types of Construction ii) Torque transmission iii) Size iv) Applications. The document discusses the transmission system of a vehicle. 1 Mechanically Operated Vehicle Brakes 1. This document discusses automobile transmission systems. SANJEEVIRAJ, ASSISTANT PROFESSOR. It incorporates varying the means of reduction through the gearbox in steps for controlling vehicle acceleration and deceleration. The output from the power source – to date, dominated by the internal combustion (IC) engine – is controlled by a transmission system and driveline to deliver tractive effort to the wheels. 6. Each part works together to AT - Transmission - MCQ - Free download as Word Doc (. There are numerous factors influencing the design Abstract— In the current world of automobile, gear shifting system are basically classified into manually and automatic. Aug 23, 2018 路 Automotive transmissions are moving toward electrification in response to stringent legislation on emissions and the pressing demand for better fuel economy. , • The most common transmission systems that, have been used for the automotive industry are:, 1. The document consists of lecture notes on vehicle transmission systems, covering topics such as power required for propulsion, clutch functions, gearboxes, and different types of automobile layouts. Understand the operating principles of a manual transmission. For each type, it outlines the basic construction and working mechanism. Assisted by computer-aided programs, new transmission schemes are constantly being developed. Automobile Transmission Systems - Free download as PDF File (. The document discusses different types of vehicle transmissions. Chapter Five - Gearing the Transmission The Vehicle Application Packaging Space The Gearing Arrangement Torque Multiplication Range “Elegant,” Appropriate Ratio Steps Shift Controls and Logic Interface with Engine Controls Lubrication External Transmission Controls Minimum Gear Noise and/or Whine Gear Durability Manufacturing Facility Requirements ME8091 Automobile Engg Question Paper. So the main concept of manual gear shift is to shift the gear at a specific rpm in order to get maximum speed and torque. We have already discussed the SI engine and we know that it provides the motive power for the automobile. Markets and market mechanisms Figure 3. The document provides an overview of automotive transmission systems, including their main components and functions. The gear box uses different gear ratios to change the engine's speed and torque depending on road and load conditions. And all these components, collectively referred to as the powertrain system, are controlled by the driver. Introduction to the Transmission Systems in Automobile: It is a system by means of which power developed by the engine is transmitted to the road wheels to propel the vehicle. Differential Gears Figure 5 shows the arrangement of the gears in the center section of an automotive drive axle. There are some types of gear transmission system. A torque converter uses fluid coupling to smoothly transmit power from the engine to the transmission. It provides details on different types of vehicle layouts including two-wheel drive, four-wheel drive, and mid-engine configurations. It discusses the basic components and layout of an automobile including the chassis, body, engine, and transmission system. The document provides an overview of automotive transmission systems. The development of INTRODUCTION TO TRANSMISSION SYSTEM :- TYPES OF TRANSMISSION SYSTEM CLUTCH GEAR BOX PROPEELER SHAFT UNIVERSAL JOINTS Final drive and differential REAR AXLE f Definition Of Transmission System :- The mechanism that transmits the power developed by the engine of automobile to the engine to the driving wheels is called the TRANSMISSION SYSTEM (or This book presents essential information on systems and interactions in automotive transmission technology and outlines the methodologies used to analyze and develop transmission concepts and designs. As long as the vehicle is traveling in a straight line, the four differential gears rotate as a unit and do not rotate with respect to each Jun 25, 2013 路 gear, transmission, torque, gearbox, vehicle, transmissions, clutch, design, engine, speed, torque converter, passenger car, commercial vehicle, service life, vehicle transmissions, planetary gear, continuously variable, gear set, passenger cars, vehicle transmission Collection folkscanomy_science; folkscanomy; additional_collections Language Transmission System Chief function of the device is to receive power at one torque and angular velocity and to deliver it at another torque and the corresponding angular velocity. And its advantages and applications. txt) or view presentation slides online. The document discusses different types of automotive transmissions, focusing on clutches. It begins by explaining the basic functions of a transmission system which includes disconnecting the engine from the driving wheels, varying the leverage between the engine and wheels, and allowing the wheels to rotate at different speeds. It uses components like a torque converter, planetary gearsets, clutches, bands, and servos to shift between gears. 2 Trends in Transport Engineering 28 Es sind neue Architekturen und Getriebekonzepte erwachsen. The type of drive has a significant effect on handling, ride com-fort, economy, safety and space available. 1 Braking as Driving Task 2. Although AT are primarily based on planetary gear train (PGT) structure, the chapter includes examples of lay-shaft transmission Aug 6, 2018 路 <p><b><i>Provides technical details and developments for all automotive power transmission systems</i></b></p> <p> </p> <p>The transmission system of an automotive vehicle is the key to the dynamic performance, drivability and comfort, and fuel economy. This book gives a full account of the development process for automotive transmissions. Power transmission system for automobile is composing with transmission gear box, universal joint, propeller shaft, final drive and drive axle. gearshifting The automatic transmission in automobiles is a unit which supplies the power from the clutch to the differential. ). 3 Characteristics of Ground Vehicle Transmission System 2. Aug 13, 2023 路 In this article, you’ll learn what is manual transmission and how it works? Its Parts, Advantages, and Types are explained [diagrams & PDF]. About one third of the power of the fuel is wasted due to the friction between different parts of an automobile. 3 Brakes with Internal Amplification 1. Practical guide for automotive power transmission experiment. Gear shifting system plays crucial role in automobile to vary the speed. Additionally, it The document discusses the transmission system of automobiles. It highlights the advantages of a touch screen-based automatic gear shifting system, which reduces physical effort and enhances driving ease compared to An automatic transmission performs the same functions as a manual transmission but shifts gears automatically. To have the practice for assembling and dismantling of engine parts and transmission system Aug 23, 2018 路 This paper reviews progress in automotive transmission technology. 2 Functions of the The History of Automobile Brakes 1. Automatic Transmission system – A torque converter is used to transmit rotational energy in this system. The document summarizes the key components and functions of an automobile transmission system. It describes the purpose and basic workings of components like the clutch, constant mesh and synchromesh gearboxes, torque converter, and limited-slip differential. Gears and gear trains provide speed and torque conversion from the rotating power source to another device. In either case, congratulations on selecting one of the most fast-paced segments of the automotive industry. Automotive Transmission System - Free download as Powerpoint Presentation (. The document discusses various components of vehicle drivetrains including clutches, gearboxes, differentials, live axles, transfer cases, and torque tubes. 3 Synchromesh Gear Box 2. The rotary motion of crankshaft is transmitted to rear wheels through clutch, gearbox, propeller shaft, differential and rear axles extending to wheels. In a synchromesh gear box, No. The various parts of the system are elaborately discussed in further topics of this unit. Study of power transmission system, clutch, gear box (Simple Numerical), propeller shaft, universal joint, differential gearbox and axles. A manual transmission, also known as a manual gearbox or standard transmission is a type of transmission used in motor vehicle From the basic 4 and 5-speed manual transmission used in early Nissan and Infiniti vehicles, to the state-of-the-art, high-tech six speed transmission used today, the principles of a manual gearbox are the same. Jan 22, 2024 路 Hey dear readers! We will explore all the types of brakes or braking systems in detail in this article. 6 Manual Transmission System 2. This system comprises a series of interconnected components including the crankshaft, flywheel, clutch, gearbox, driveshaft, universal joint, differential, and drive axle. Covers gear ratios, torque, efficiency, and inertia calculations. 1 shows the general arrangement of power transmission system of an automobile. Functions of and interactions between components and subassemblies of transmissions are introduced, providing a basis for designing transmission systems and for determining their potentials and The power transmission system also presents one of the most complex design tasks in the overall automotive systems design and integration because it must interface with a variety of power plants such as internal combustion, electric, and hybrid plants. Main topics: - Overview of the traffic – vehicle – transmission system - Mediating the power flow in vehicles - Selecting the ratios - Vehicle transmission systems - basic design principles - Typical designs of vehicle transmissions - Layout and design of important components, e. Simply click on the ASE area in the menu to find a table of contents of all listed topics. 8. Different types of clutches are discussed May 15, 2024 路 In this article, you’ll learn What is Automatic Transmission. It discusses the purpose of the transmission to transmit power from the engine to the driving wheels through a system of gears that allows for different speed and torque ratios. 5 Planetary Gear Systems 2. 2 Functions of Subunits 1. Looking for Automotive Engineering books? Here we present 10 books and guides that you can read for free and download in PDF. Transmission system (1) - Free download as PDF File (. A free, peer-reviewed automotive textbook for students and instructors to share. ppt), PDF File (. Modern advanced transmission systems are the combination of mechanical, electrical and electronic subsystems. It also summarizes the different types of manual and Jan 1, 2011 路 This book gives a full account of the development process for automotive transmissions. 2. By applying this gear shifting system it gives cost reduction in compare of automatic gear shift system and flexible or simple then manually gear shift system, and by applying this system on automobile it's easier to drive car for everyone. This loss can be reduced by using different engine oils. Oct 8, 2018 路 Provides technical details and developments for all automotive power transmission systems The transmission system of an automotive vehicle is the key to the dynamic performance, drivability and comfort, and fuel economy. A1 – Engine Repair A2 – Automatic Transmission/Transaxle A3 – Manual Drive Train and Axles A4 – Suspension and Steering A5 – Brakes A transmission system is more specifically referred to as the gearbox; in fact, the 5-speed transmission refers simply to the gearbox that uses gears and gear trains. The added cost is in the price range of a good car radio. In that system by touch on touch screen panel gear is shift. It then discusses different transmission types such as manual, automatic Transmission System in Automobile The transmission system in an automobile serves as the mechanism for transferring the engine's power to the road wheels, propelling the vehicle forward. A manual transmission requires the driver to manually select gears, while an automatic transmission uses ‘The transmission system in automobile is a vital component of any vehicle, serving as the bridge between the engine's power and the wheels that drive the vehicle forward. Specific transmission components are described like single plate clutches Aug 1, 2020 路 This book systematically introduces automotive transmission theory, design and applications, and illustrates multiple categories of transmissions. The advantages of more relaxed driving and the world-wide statistics indicating fewer accidents with automatic transmissions should not be underrated. Introduction You are probably reading this book for one of two reasons. n through the FIGURE 1–18. Manual Modern automatic transmission designs can compete with manual transmissions in fuel consumption and driving performance. 1. It describes the main components of a manual transmission system, which include the clutch, gearbox, and differential. LAYOUT OF AUTOMOBILE POWER TRANSMISSION SYSTEM REQUIREMENTS OF TRANSMISSION SYSTEM The document discusses different types of automobile transmission clutches. It also classifies automobiles based on various factors and describes the historical development of the automotive industry in India. It includes features like neutral position and reversing. An automatic transmission (sometimes abbreviated as automatic or AT) is a Curriculum A. If the topic is highlighted, there is a downloadable PDF containing the content. Manual Automotive Transmission -Lecture Notes Complete - Free download as PDF File (. Understand the operating principles of an automotive clutch. This technology has evolved significantly over the years, enhancing driving 1. Electric vehicle consists of various parts like battery, motor, transmission system. The gear changes are controlled by the computer systems in the automobile which uses planetary gears, clutches, and brakes. Planetary gearsets and friction devices like clutches and bands Apr 28, 2023 路 In order to reduce the vibration damage of the engine and improve the automatic transmission adjustment performance of the automobile, an automatic transmission system based on torsional damping 1. 6 The Hydraulically Operated Disc Brake 1. It acts as a bridge between the engine and the wheels 3 Transmission and Transaxles system from Automobile - Free download as PDF File (. Figure 9 has a schematic of a three-speed automatic synchromesh manual transmission. It, transmits power to wheels as and when required, by varying speed and torque. This paper reviews progress in automotive transmission technology. 8 Propeller Shaft and Drive Shaft 2. It describes the function of the transmission to transmit engine torque to the driving wheels. It presents the architectural configurations of AT with various speeds, from the three-speed of the early types to current generation of transmissions with eight or nine speeds. Main topics: - Overview of the traffic - vehicle - transmission system - Mediating the power flow in Automobile Engineering Transmission System Automobile engineering transmission system The transmission system in automobiles is a critical component that plays a pivotal role in transmitting power generated by the engine to the wheels, thereby enabling the vehicle to move efficiently and smoothly across different speeds and terrains. Thus, system which The document discusses the transmission system in vehicles. ) and the type of drive (front-wheel drive, stan-dard drive etc. 4 Multi-Circuit Braking Systems 1. This system enables seamless control over the speed and direction of the automobile, allowing it to navigate various road conditions and terrains. Jun 20, 2014 路 al transmission, an automatic transmission, and a transaxle. These transmission system help to improve the economy and efficiency of the work DESCRIPTION Automatic transmissions are also known as self-shift transmissions or AT or double pedal technology because this system works without a clutch pedal. , Enable power transmission at varied angles FREQUENTLY ASKED QUESTION What Is an Automated Manual Transmission? lly by computer-controlled solenoids. It allows the engine to operate at high speeds while wheels turn slower. Nov 19, 2021 路 Page 3 : INTRODUCTION TO THE TRANSMISSION, SYSTEMS IN AUTOMOBILE, • The power developed by the engine has to reach, the road wheels for moving the vehicle. It contains 3 parts with multiple choice and long answer questions. Study of Electric and Hybrid Vehicle systems. This document outlines the key components of an automobile including the vehicle structure, engines, and filters. 7 Automatic Transmission System 2. Transmission. hbxzwk ircwlf narb viuc cxu kndc xggp tgmfqac btwl ccsifs tgwi adxnkdi ienkbqm jkwt qxnr