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Method and apparatus for attaching a transmission filter to a pump

A technology for filters and filter assemblies, applied in transmissions, fluid transmissions, transmission parts, etc., to solve problems such as unpleasant noise, improper connection of filters and pumps, loose fasteners, etc.

Active Publication Date: 2006-10-04
GENERAL MOTORS COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Typically this assembly requires the use of fasteners and is labor intensive and prone to failure
More specifically, the use of fasteners to mount the filter to the pump adds additional costs associated with the fasteners, the need for precise full engagement of the fasteners, and if the fasteners are not fully engaged and / or prematurely failure, it will result in improper connection between the filter and the pump
Finally, fasteners that are not fully engaged and / or fail prematurely will come loose and create unpleasant noises when the vehicle is running

Method used

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  • Method and apparatus for attaching a transmission filter to a pump
  • Method and apparatus for attaching a transmission filter to a pump
  • Method and apparatus for attaching a transmission filter to a pump

Examples

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Embodiment Construction

[0013] Referring to the drawings, in which like numerals designate like or corresponding parts throughout, there is shown in FIG. 1 a schematic representation of a transmission fluid distribution system 8 including a sump or container 10 preferably containing hydraulic fluid. . Transmission pump 12 draws hydraulic fluid from container 10 through filter 14 . The pump 12 outputs the pressurized hydraulic fluid to the transmission 16 . The maximum pressure at the pump output port is determined by pressure regulating valve 18, which delivers excess pump flow to filter 14. According to a preferred embodiment of the present invention, the above hydraulic fluid first meets the pressure demand of the transmission, then the pressure demand of the torque converter, and then provides a portion of lubrication and cooling, after which the excess fluid is returned to the filter 14 .

[0014] refer to figure 2 , the filter assembly 14 includes a housing 24 with a filter element (not shown...

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Abstract

A method and apparatus for attaching a transmission filter to a pump is provided. The filter and pump include complimentary engagement features such that the filter is inserted into the pump and thereafter rotated approximately 90 degrees to engage a twistlock feature. In this manner, filter attachment is maintained without additional fasteners, spring clips, clamping plates, etc., thereby reducing material cost.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application claims the benefit of US Provisional Application No. 60 / 589,282, filed July 20, 2004, which is incorporated herein by reference in its entirety. technical field [0003] According to a preferred embodiment of the present invention, there is provided a method and apparatus for conveniently connecting a transmission filter to a pump. Background technique [0004] Transmission filters and pumps are often machined as separate components and then assembled together as part of a vehicle transmission. Typically this assembly requires fasteners, is labor-intensive and prone to failure. More specifically, the use of fasteners to assemble the filter to the pump adds additional costs associated with the fasteners, the need to accurately fully engage the fasteners, and if the fasteners are not fully engaged and / or prematurely failure, it will result in an improper connection between the filter and the pump. Fina...

Claims

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Application Information

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IPC IPC(8): F04D29/70F04C29/00F16H39/00F16H57/00
Inventor J·C·舒尔茨K·约翰逊U·－J·宋
Owner GENERAL MOTORS COMPANY
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