Patent · US Active

Hydraulic control arrangement for an automatic transmission

US10100924B2 · kind B2 · utility

2Cited by

3References

15Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Peter Schiele · Kreßbronn, DE
Frank Gethöfer · Tettnang, DE

Key dates

Filing date	Jun 3, 2014
Grant date	Oct 16, 2018
Priority date	—
Expiry date	Jun 3, 2034

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2061/062
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A hydraulic control device for an automatic transmission including a valve device. The valve device comprising a switching valve, featuring a switching component and a check valve. The switching valve is formed in a housing and is hydraulically connected to a first pressure adjusting device and a second pressure adjusting device along with a shift element for transferring a certain torque. The switching valve is formed as a directional seat valve.

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