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US 6,546,921 B1Granted
Heated PCV valve
AssigneeMiniature Precision Components, Inc.
InventorDouglas J. Callahan
Life of this patent
Estimating the term…
Abstract
A heated PCV valve (30) includes a valve body (80) for metering a flow of crankcase gases therethrough. The valve body (80) has an intermediate portion (82) with a heating element (50) integrally disposed therein for heating the crankcase gases.
Claims20
A PCV valve for heating a crankcase gas comprising:
- a valve body for metering a flow of the crankcase gas therethrough;
- and
- a heating element integrally disposed within said valve body for heating the crankcase gas, said heating element located in an intermediate portion of said valve body.
A PCV system for heating a crankcase gas accumulating within an internal combustion engine, the PCV system comprising:
- a valve body for metering a flow of the crankcase gas therethrough, said valve body coupled to a crankcase gas chamber of the engine;
- and
- a heating element integrally disposed within said valve body for heating the crankcase gas;
- an intake manifold having an intake orifice, said intake orifice and said valve body having an operative connection therebetween for permitting said flow of the crankcase gas.
1 more element
Dependencies are inferred from the claim text.