Patent · US Active

Transmission hydraulic control system having an accumulator

US8069661B2 · kind B2 · utility

15Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 2009
Grant dateDec 6, 2011
Priority date
Expiry dateJun 20, 2030

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2312/14
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A hydraulic control system for actuating at least one torque transmitting device in a transmission includes a sump, a pump in communication with the sump, and an accumulator. A first control device and a second control device control the communication of hydraulic fluid between the pump, the accumulator, and the torque transmitting device.

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