Emission control valve with gas flow shut-off
This patent describes, in an internal combustion engine, a crankcase gas flow control device located between the engine crankcase and the engine fuel-air induction. It comprises: a hollow housing, an apertured member supported at its outer edge by the housing. The apertured member forming an inlet and having an annular seating surface about the inlet aperture which faces the interior of the housing; a rod extending through the housing coaxially with the apertured inlet. The inlet forming member has a central boss portion engaging and supporting an end of the rod; a valve element in the housing and encircling the rod, the valve having a closed end normally seated against the seating surface to block gas flow through the inlet aperture; a coil type spring having one end axially fixed to the rod and another end engaging the valve element for yieldably urging the closed end against the seating surface.
- Assignee:
- Chrysler Motor Corp., Highland Park, MI
- Patent Number(s):
- A; US 4905657
- Application Number:
- PPN: US 7-237813A
- OSTI ID:
- 6838897
- Country of Publication:
- United States
- Language:
- English
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