Browse Standards J641_201912
Current REVISED 2019-12-02

Hydrodynamic Drives Terminology 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.
J641_201912
2019-12-02
Latest
Revised
J641_201206
2012-06-04
Historical
Revised
J641_200003
2000-03-10
Historical
Reaffirmed
J641_198807
1988-07-01
Historical
Reaffirmed
J641_198302
1983-02-01
Historical
Revised
J641B_197804
1978-04-01
Historical
Revised
J641A_197501
1975-01-01
Historical
Revised

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