Patent · US Expired

Oil circulating apparatus for automatic transmission

US6520293B1 · kind B1 · utility

15Cited by
8References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 2000
Grant dateFeb 18, 2003
Priority date
Expiry dateJun 14, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/2186
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A part of oil sucked by an oil pump is circulated to an oil pan through a hydraulic control circuit, an oil cooler and an oil passage provided in a transmission case and the oil pan. The oil guided to the oil pan is gushed out from a discharge port of the oil passage toward a suction port of an oil strainer communicating with the oil pump. The discharge port of the oil passage is disposed opposite and adjacent to the suction port of the oil strainer so that only the oil containing a small number of bubbles is sucked by the oil pump.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.