Control valve for an air spring and motor vehicle seat having a control valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9855869
SERIAL NO

14376267

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The invention relates to a control valve (16) for an air spring, comprising a housing (41), an exhaust duct that has an exhaust tappet (26) for opening of closing the exhaust duct, which exhaust tappet interacts with a first control means (19), a ventilation duct that has a ventilation tappet (27) for opening or closing the ventilation duct, which ventilation tappet interacts with a second control means (20), and a supplemental duct having a supplemental tappet (28) for opening or closing the supplemental duct, which supplemental tappet interacts with a third control means (21), wherein a first air connection A connects to the exhaust duct and a second air connection P connects to the exhaust duct together with the supplemental duct, wherein a first control means (19) and a second control means (20) are arranged to one another in such a manner that said control means cannot be actuated at the same time by an control element (18), and wherein the second control means (20) and the third control means (21) are arranged to one another in such a manner that the supplemental duct can only be opened when the ventilation duct is opened. The invention further relates to a motor vehicle seat comprising a mechanical swing system and an air spring, which motor vehicle seat has such a control valve.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
ISRINGHAUSEN GMBH & CO KG32657 LEMGO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lieker, Reiner Extertal, DE 4 53

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