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Computational fluid dynamics (CFD) Automotive Automatic Transmission and Transaxle Committee Vehicles, Equipment, and Performance

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Standard

One-Way Clutches - Nomenclature and Terminology
2011-08-12
HISTORICAL
J1087_201108
The definitions and illustrations in this SAE Recommended Practice are intended to establish common nomenclature and terminology for automotive transmission one-way clutches.
Standard

One-Way Clutches - Nomenclature and Terminology
2019-07-24
CURRENT
J1087_201907
The definitions and illustrations in this SAE Recommended Practice are intended to establish common nomenclature and terminology for automotive transmission one-way clutches.
Standard

ONE-WAY CLUTCHES - NOMENCLATURE AND TERMINOLOGY
1990-10-01
HISTORICAL
J1087_199010
The definitions and illustrations in this SAE Information Report are intended to establish common nomenclature and terminology for automotive transmission one-way clutches.
Standard

One-Way Clutches—Nomenclature and Terminology
2000-05-16
HISTORICAL
J1087_200005
The definitions and illustrations in this SAE Information Report are intended to establish common nomenclature and terminology for automotive transmission one-way clutches.
Standard

ONE-WAY CLUTCHES—NOMENCLATURE AND TERMINOLOGY
1984-01-01
HISTORICAL
J1087_198401
The definitions and illustrations in this report are intended to establish common nomenclature and terminology for automotive transmission one-way clutches.
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

Automatic Transmissions - Manual Control Sequence
2017-03-09
CURRENT
J915_201703
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. This generally refers to left hand drive mechanical shift applications.
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

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 Light Truck Automatic Transmission and Automatic Transaxle Test Code
2015-06-30
CURRENT
J651_201506
The extent of test conditions on the dynamometer must be sufficient to determine the efficiency characteristics corresponding to the following range of vehicle operations in all gear ratios with locked torque converters (open converter can also be done where appropriate and noted). a Efficiency versus output speed versus input torque b Torque ratio versus output speed c Input speed versus output speed d Output torque versus output speed e Parasitic loss versus input speed (spin losses) f Cooler flow g Output torque bias (front wheel drive transaxles)
Standard

Hydrodynamic Drive Test Code
2011-04-04
HISTORICAL
J643_201104
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 characteristics to be determined are: a Torque ratio versus speed ratio and output speed b Input speed versus speed ratio and output speed c Efficiency versus speed ratio and output speed d Capacity factor versus speed ratio and output speed e Input torque versus input speed NOTE: For more information about these characteristics and the design of hydrodynamic drives, see “Design Practices—Passenger Car Automatic Transmissions,” SAE Advances in Engineering, AE18 or AE29
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