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Standard

Hydrodynamic Drives Terminology

2019-12-02
CURRENT
J641_201912
Since the torque converter and fluid coupling are commonly used components of automatic transmissions in industry, the SAE appointed a committee to standardize terminology, test procedure, data recording, design symbols, and so forth, in this field. The following committee recommendations will facilitate a clear understanding for engineering discussions, comparisons, and the preparation of technical papers. The recommended usages represent the predominant practice or the acceptable practice. Where agreement is not complete, alternates have been included for clarification. EXAMPLE: Two systems of blade angle designations are described. Consequently, when a blade angle is specified, the system should be designated. This SAE Recommended Practice deals only with the physical parts and dimensions and does not attempt to standardize the design considerations, such as the actual fluid flow angle resulting from the physical blade shape.
Standard

Hydrodynamic Drives Terminology

2000-03-10
HISTORICAL
J641_200003
Since the torque converter and fluid coupling have become commonly used components of automatic transmissions in industry, the SAE appointed a committee to standardize terminology, test procedure, data recording, design symbols, and so forth, in this field. The following committee recommendations will facilitate a clear understanding for engineering discussions, comparisons, and the preparation of technical papers. The recommended usages represent the predominant practice or the acceptable practice. Where agreement is not complete, alternates have been included for clarification. This SAE Recommended Practice deals only with the physical parts and dimensions and does not attempt to standardize the design considerations, such as the actual fluid flow angle resulting from the physical blade shape.
Standard

Automotive Transmission Terminology

2017-08-25
HISTORICAL
J645_201708
The following listed definitions are intended to establish terminology and criteria for describing the various kinds of automotive transmissions. A specific arrangement may be described by a combination of several of these definitions.
Standard

FLYWHEELS FOR ENGINE-MOUNTED TORQUE CONVERTERS

1995-03-05
HISTORICAL
J927_199503
This SAE Recommended Practice defines flywheel configuration to promote standardization of flywheels for engine flywheel mounted torque converters. Tables 1A and 1B and Figure 1 give dimensions for flywheels mounted-type torque converters. For torque converters using drive ring overcenter type disconnect clutch, see SAE J620.
Standard

FLYWHEELS FOR ENGINE MOUNTED TORQUE CONVERTERS

1988-11-01
HISTORICAL
J927_198811
This SAE Recommended Practice defines flywheel configuration to promote standardization of flywheels for engine flywheel mounted torque converters. Table 1 and Fig. 1 give dimensions for flywheel mounted-type torque converters. For torque converters using drive ring overcenter type disconnect clutch, see SAE J620.
Standard

FLYWHEELS FOR ENGINE MOUNTED TORQUE CONVERTERS

1977-03-01
HISTORICAL
J927B_197703
This SAE Recommended Practice defines flywheel configuration to promote standardization of flywheels for engine flywheel mounted torque converters. Table 1 and figure give dimensions for flywheels for torque converters. For torque converter with a front disconnect clutch, refer to applicable SAE Standard or Recommended Practice.
Standard

Flywheels for Engine-Mounted Torque Converters

2012-06-11
CURRENT
J927_201206
This SAE Recommended Practice defines flywheel configuration to promote standardization of flywheels for engine flywheel mounted torque converters. Tables 1A and 1B and Figure 1 give dimensions for flywheels mounted-type torque converters. For torque converters using drive ring overcenter type disconnect clutch, see SAE J620.
Standard

AUTOMATIC TRANSMISSIONS—MANUAL CONTROL SEQUENCE

1993-04-01
HISTORICAL
J915_199304
The scope and purpose of this SAE Recommended Practice is to provide a standard pattern or sequence for the manual control of automatic transmissions in passenger cars and light-duty trucks.
Standard

Automatic Transmissions—Manual Control Sequence

2000-11-02
HISTORICAL
J915_200011
The scope and purpose of this SAE Recommended Practice is to provide a standard pattern or sequence for the manual control of automatic transmissions in passenger cars and light-duty trucks.
Standard

Passenger Car and Light Truck Automatic Transmission and Automatic Transaxle Test Code

2005-06-22
HISTORICAL
J651_200506
To provide a means of obtaining the efficiency characteristics of automatic transmissions and automatic transaxles. It outlines dynamometer tests that map the steady-state characteristics over a range of operations of an automatic transmission/automatic transaxle and provides a method of presenting test data. This procedure must be followed, with similar test facilities so that results obtained from different laboratories are comparable. For this SAE Recommended Practice, the transmission is defined as the complete automatic transmission or transaxle assembly between the engine and the driveshaft(s) used to effect a ratio change in transmitting power. For 4WD/AWD, it does not include transfer case or power take off subsystems. This test procedure deals with the aspect of conducting complete transmission and transaxle assembly testing.
Standard

PASSENGER CAR AND LIGHT TRUCK AUTOMATIC TRANSMISSION AND AUTOMATIC TRANSAXLE TEST CODE

1996-01-01
HISTORICAL
J651_199601
To provide a means of obtaining the performance characteristics of automatic transmissions and automatic transaxles. It outlines dynamometer tests that map the steady-state characteristics over a range of operations of an automatic transmission/automatic transaxle and provides a method of presenting test data. This procedure must be followed, with similar test facilities so that results obtained from different laboratories are comparable. For this SAE Recommended Practice, the transmission is defined as the complete automatic transmission or transaxle assembly between the engine and the driveshaft(s) used to effect a ratio change in transmitting power. This test procedure deals with the aspect of conducting complete transmission and transaxle assembly testing. However, by its very nature a transmission should be viewed as a compilation of three major component systems: pump, torque converter, and gearbox (all ratio change elements).
Standard

PASSENGER CAR AND TRUCK AUTOMATIC TRANSMISSION TEST CODE

1979-06-01
HISTORICAL
J651C_197906
The range of test conditions on the dynamometer shall be sufficient to determine the primary operating characteristics corresponding to the full range of vehicle operations. The transmission characteristics to be determined for all driving ranges or gears are: 1 Efficiency versus output speed. 2 Torque ratio versus output speed. 3 Input speed versus output speed. 4 Output torque versus output speed. 5 Parasitic losses versus input speed.
Standard

PASSENGER CAR AND TRUCK AUTOMATIC TRANSMISSION TEST CODE

1991-01-23
HISTORICAL
J651_199101
To provide a means of comparing the performance characteristics of automatic transmissions. It outlines dynamometer tests that cover the range of operation of transmissions and provides a method of presenting the test data. This procedure must be followed with similar test facilities so that results obtained from different laboratories are comparable. For this SAE Recommended Practice, the transmission is defined as the complete assembly driven by the engine and used to effect a ratio change in transmitting power to the final drive system.
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