Ventilator for internal combustion engine

Patent · Tue Apr 08 04:00:00 EST 1986

OSTI ID:5688686

Aoki, K

A ventilator is described for an internal combustion engine, consisting of: a housing; a diaphragm that divides the inside of the housing into a pressure chamber communicating with a crankcase and an atmospheric chamber communicating with the atmosphere; an outlet tube extending vertically in the pressure chamber and communicating with an intake manifold; a valve fixed to the diaphragm and acting to open or close an opening at an upper end of the outlet tube for controlling the quantity of blowby gas introduced into the outlet tube from the pressure chamber; an oil sump located at a lower end of the outlet tube and having a given capacity; a check valve mounted at the bottom of the oil sump to allow fluid to flow from the sump toward the pressure chamber; and an outlet port formed through the side wall of the outlet tube and protruding radially outwardly, the outlet tube being in communication with the intake manifold via the outlet port.

• Assignee: Aisin Seiki Kabushiki Kaisha, Kariya
• Patent Number(s): US 4580543
• OSTI ID: 5688686
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
CONTROL EQUIPMENT
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
GAS FLOW
HEAT ENGINES
INTAKE STRUCTURES
INTERNAL COMBUSTION ENGINES
MECHANICAL STRUCTURES
PUMPS
VALVES
VENTILATION SYSTEMS