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Strainer for automatic transmission control valve

  • US 4,352,737 A
  • Filed: 09/15/1980
  • Issued: 10/05/1982
  • Est. Priority Date: 09/19/1979
  • Status: Expired due to Term
First Claim
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1. A strainer construction for use on an automatic transmission control valve body, comprising:

  • a tray-like oil pan attached to the lower end of said valve body;

    a strainer including a filter material and a frame for holding said filter material thereon;

    said frame including a plate-like element having a plurality of openings therethrough, lower projections formed integrally therefrom for holding the frame at a predetermined distance from the bottom surfaces of said oil pan and a peripheral skirt extending therefrom being fitted to the inner periphery of said oil pan and dividing the inner space of said oil pan into upper and lower chambers;

    seal means hermetically securing said peripheral skirt to said inner periphery of said oil pan; and

    a tubular body having an upper end attached to a suction port of said valve body and a lower end connected to said frame,the only flow communication between said upper and lower chambers being through said strainer and the flow area of said strainer substantially equals the length-by-width area of said oil pan.

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