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Standard

TRANSMISSIONS—SCHEMATIC DIAGRAMS

1995-06-01
HISTORICAL
J647_199506
The following schematic diagrams exemplify the SAE recommended method of illustrating automotive transmission arrangements. They were developed to standardize industry practice and facilitate a clear understanding of the functional interrelations of the gearing, clutches, hydrodynamic drive unit, and other transmission components. Two variations of diagrams are used: Transmission in neutral and in gear. For illustrative purposes, some typical transmissions are shown.
Standard

TRANSMISSIONS—SCHEMATIC DIAGRAMS

1997-07-01
HISTORICAL
J647_199707
The following schematic diagrams exemplify the SAE recommended method of illustrating automotive transmission arrangements. They were developed to standardize industry practice and facilitate a clear understanding of the functional interrelations of the gearing, clutches, hydrodynamic drive unit, and other transmission components. Two variations of diagrams are used: transmission in neutral and in gear. For illustrative purposes, some typical transmissions are shown.
Standard

TRANSMISSIONS - SCHEMATIC DIAGRAMS

1990-04-01
HISTORICAL
J647_199004
The following schematic diagrams exemplify the SAE recommended method of illustrating automotive transmission arrangements. They were developed to standardize industry practice and facilitate a clear understanding of the functional interrelations of the gearing, clutches, hydrodynamic drive unit, and other transmission components. Two variations of diagrams are used: Transmission in neutral and in gear. For illustrative purposes, some typical transmissions are shown.
Standard

Symbols for Hydrodynamic Drives

2000-03-10
HISTORICAL
J640_200003
The following system of symbols is recommended for use in technical papers and engineering reports dealing with hydrodynamic drives.
Standard

SYMBOLS FOR HYDRODYNAMIC DRIVES

1988-06-01
HISTORICAL
J640_198806
The following system of symbols is recommended for use in technical papers and engineering reports dealing with hydrodynamic drives.
Standard

Planetary Gears - Terminology

2023-10-31
CURRENT
J646_202310
Figures 1 through 6 illustrate in simplified form some of the more common planetary gears, gearsets, and geartrain arrangements in order to establish applicable terminology. Figures 7 and 8 provide additional examples that use elements of those gear arrangements.
Standard

Planetary Gears - Terminology

2018-07-12
HISTORICAL
J646_201807
Figures 1 through 5 illustrate in simplified form some of the more common planetary gear arrangements in order to establish applicable terminology. Figures 6 and 7 provide additional examples that use elements of those gear arrangements. Gear ratio is the numerical ratio of input to output speed.
Standard

Planetary Gears - Terminology

2011-04-04
HISTORICAL
J646_201104
Figures 1 to 5 illustrate in simplified form some of the more common planetary gear arrangements in order to establish applicable terminology. Gear ratio is the numerical ratio of input to output speed.
Standard

Planetary Gear(s)—Terminology

2000-05-16
HISTORICAL
J646_200005
Figures 1 to 4 illustrate in simplified form the more common planetary gear arrangements in order to establish applicable terminology. Gear ratio is the numerical ratio of input to output speed.
Standard

Park Standard for Automatic Transmissions

2007-10-22
HISTORICAL
J2208_200710
To provide a Recommended Practice for validating the function and integrity of an automatic transmission park mechanism with its associated control system and environment.
Standard

Park Standard for Automatic Transmissions

2016-05-26
CURRENT
J2208_201605
To provide a Recommended Practice for validating the function and integrity of an automatic transmission park mechanism with its associated control system and environment.
Standard

PARK STANDARD FOR AUTOMATIC TRANSMISSIONS

1993-06-01
HISTORICAL
J2208_199306
To provide a Recommended Practice for validating the function and integrity of an automatic transmission park mechanism with its associated control system and environment.
Standard

Hydrodynamic Drive Test Code

2000-05-16
HISTORICAL
J643_200005
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, Vol. 5.
Standard

Hydrodynamic Drive Test Code

2023-08-01
CURRENT
J643_202308
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, refer to “Design Practices: Passenger Car Automatic Transmissions,” SAE Advances in Engineering, AE-18 (Third Ed.) or AE-29 (Fourth Ed.).
Standard

HYDRODYNAMIC DRIVE TEST CODE

1989-06-01
HISTORICAL
J643_198906
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, Vol. 5.
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