Patent · US Active

Position dependent valve device for control cylinder

US10605276B2 · kind B2 · utility

1Cited by

9References

15Claims

0Family size

Assignee

Kongsberg Automotive AB · SE

Inventors

Bjørn Iverson · Kongsberg, NO
Steffen Johnsen · Drammen, NO
Kent Hall · Drammen, NO

Key dates

Filing date	May 12, 2016
Grant date	Mar 31, 2020
Priority date	—
Expiry date	May 12, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF15B15/149
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A position dependent valve device (10) for a control cylinder (12) includes at least one channel (24) formed in one of a wall of a cylinder housing (14) of the control cylinder (12) and a wall of a internal piston (20) disposed in the cylinder housing (14) and a seal (26) including a flexible member adapted to be disposed in a groove in the other one of the wall of the cylinder housing (14) and the wall of the piston (20), the seal (26) cooperating with the at least one channel (24) when the piston (20) is in a defined position to allow airflow past the piston (20) and cooperating with one of the cylinder housing (14) and the piston (20) when the piston (20) is in a position outside the defined position to prevent airflow past the piston (20).

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