Patent · US Active

Reverse modulation valve assembly including deadband state

US11609585B2 · kind B2 · utility

0Cited by

10References

20Claims

0Family size

Assignee

ZF OFF-HIGHWAY SOLUTIONS MINNESOTA INC. · US

Inventors

Peter Backes · North Mankato, US
Derek J. Tomhave · Mankato, US
Nathan Grotz · High Ciara, US

Key dates

Filing date	Nov 25, 2020
Grant date	Mar 21, 2023
Priority date	—
Expiry date	Apr 2, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60T13/586
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A valve assembly is provided. The valve assembly includes a valve body defining a bore. The valve assembly further includes a pull rod disposed in the bore and defining a bolt cavity. The pull rod is moveable between a first pull rod position and a second pull rod position. The valve assembly further includes a bolt disposed in the bolt cavity and moveable with respect to the pull rod between a first bolt position and a second bolt position. The valve assembly further includes a spool disposed in the bore. The spool is operatively coupled to the pull rod to move between an energized position and a neutral position.

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