Patent · US Active

Device for supplying pressure to a piston actuator

US7814750B2 · kind B2 · utility

6Cited by

4References

6Claims

0Family size

Assignees

KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH · DE
ZF FRIEDRICHSHAFEN AG · DE

Inventors

Markus Deeg · Eberdingen, DE
Friedbert Roether · Cleebronn, DE
Mario Steinborn · Friedrichshafen, DE
Rainer Petzold · Friedrichshafen, DE

Key dates

Filing date	May 15, 2007
Grant date	Oct 19, 2010
Priority date	—
Expiry date	Dec 13, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19251
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A device for supplying pressure from an energy storage device to a piston gear shifting actuator by way of a valve device is provided. A pressure regulating and/or control device is used to regulate and/or control the pressure applied to the piston actuator. The pressure regulating and/or control device regulates and/or controls the pressure according to at least one following quantity: temperature, in particular a transmission operating temperature, the load state of the motor vehicle provided with the transmission, and the slope of a surface along which the motor vehicle provided with the transmission runs.

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