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Auxiliary transmission oil pump integration

A transmission oil, transmission technology, applied in the direction of elements with teeth, transmission control, belts/chains/gears, etc.

Inactive Publication Date: 2013-04-17
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The transmission uses pressurized transmission oil to select gear ratios

Method used

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  • Auxiliary transmission oil pump integration
  • Auxiliary transmission oil pump integration
  • Auxiliary transmission oil pump integration

Examples

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Embodiment Construction

[0028] The following description is merely exemplary in nature and is not intended to limit the invention and its application or uses. For purposes of clarity, the same reference numbers will be used in the drawings to identify similar elements. As used herein, the phrase at least one of A, B, and C should be construed as a logical (A or B or C) using a non-exclusive logical or. It should be understood that steps within a method may be executed in different order without altering the principles of the present invention.

[0029] As used herein, the term module means an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor (shared, dedicated or grouped) and memory, a combinational logic circuit that executes one or more software programs or firmware programs , and / or other suitable components that provide the described functionality.

[0030] The transmission system includes a transmission that outputs torque along a torque axis (ie, centerline). ...

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PUM

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Abstract

A transmission system of a vehicle comprises a pump, an auxiliary pump, and a transmission. The pump pressurizes transmission oil when an engine is operating. The auxiliary pump operably coupled to the pump and located parallel to the pump that pressurizes the transmission oil when the engine is not operating. The transmission selects a gear ratio based on the pressurized transmission oil.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application No. 61 / 093111, filed August 29, 2008. The content of the above application is incorporated herein by reference. technical field [0003] The present invention relates to vehicle transmissions, and more particularly to transmission oil pumps for vehicle transmissions. Background technique [0004] The background provided herein is provided for the purpose of generally presenting the context of the disclosure. The work of the presently named inventors (to the extent described in this Background section) and aspects of this description that are not otherwise considered prior art at the time of filing are neither express nor implied to be admitted as prior art that contradicts the present invention. [0005] The transmission receives torque from the engine and / or one or more electric machines. The transmission sends torque to one or more wheels through ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/00
CPCF16H61/0031
Inventor E·S·特赖恩W·S·里德M·R·克诺思
Owner GM GLOBAL TECH OPERATIONS LLC