Temperature-controlled PCV valve

Details Temperature-controlled PCV valve Temperature-controlled PCV valve

2007-12-25

2007-12-25

McMahon, Marguerite (Department: 3747)

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

C138S145000

Reexamination Certificate

active

11462276

ABSTRACT:
A positive crankcase ventilation valve includes a flow restrictor movable in an orifice to vary flow of fumes from a crankcase to an intake manifold in a vehicle.

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Toyota Motor Sales, U.S.A., Inc. Brochure, “Emission Sub Systems—Positive Crankcase Ventilation System,” pp. 1-5, date unknown.

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