Venting valve for crankcases of reciprocable piston internal com

Details Venting valve for crankcases of reciprocable piston internal com Venting valve for crankcases of reciprocable piston internal com

1978-11-30

1980-08-19

Lall, P. S.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123 4186, F02M 2506, F01M 1300

Patent

active

042178703

ABSTRACT:
A venting valve for a crankcase of a reciprocable piston internal combustion engine with a valve housing which is divided into three chambers by way of a movable wall and a hollow cylindrical valve member which is sealingly connected to the movable wall. The first one of these three chambers is arranged for communication with the surrounding or environment whereas the second chamber has a connection for communication with the crankcase, and the third chamber, which includes the inner chamber of the valve member, has a connection for communication with a suction conduit. The valve member in combination with its valve seat controls an opening between the second and third chambers. The connection for communication with the suction conduit forms the inner valve housing-connected support for the movable wall and is axially aligned with the valve member, and the connection for communication with the crankcase is located opposite the connection to the suction conduit and coaxially surrounds the valve member.

REFERENCES:
patent: 2775960 (1957-01-01), Druzynski
patent: 3056420 (1962-10-01), Dietrich
patent: 3108581 (1963-10-01), Humphreys
patent: 3312207 (1967-04-01), Martin et al.
patent: 3380441 (1968-04-01), Lewis
patent: 3469565 (1969-09-01), Weber et al.
patent: 3754538 (1973-08-01), Ephraim, Jr. et al.

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