Control valve unit for a liquid circuit

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United States of America Patent

PATENT NO 8701603
APP PUB NO 20120279462A1
SERIAL NO

13549448

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A control valve unit for a liquid circuit of an internal combustion engine, includes a valve housing (1) having at least one inlet opening (2) or outlet opening (2′) and at least two outlet openings (31, 32, 33) or inlet openings (31′, 32′, 33′) and at least two closing elements (41, 42, 43) actuated by a control device (22). The closing elements selectively open or close an associated outlet or inlet opening. The closing elements may be continuously adjusted between maximum open and closed positions. The control device (22) includes at least one displaceable or rotatable cam (6) and includes at least two cam tracks (71, 72, 73), each of which is assigned to a closing element (41, 42, 43) and acts on at least one driving pin (11) that is in contact with said closing element (41, 42, 43). The cams (6) are adjusted by an actuator (8).

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First Claim

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Patent Owner(s)

  • MANN+HUMMEL GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cormerais, Mickael Vallon-sur-Geé, FR 3 42
Noiseau, Pascal Saint Ouen des Toits, FR 7 64
Warnery, Stéphane Rennes, FR 5 32

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