Mixture-lubricated internal combustion engine

Details Mixture-lubricated internal combustion engine Mixture-lubricated internal combustion engine

2006-08-17

2008-10-21

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

C123S1960CP, C123S1960CP

Reexamination Certificate

active

07438064

ABSTRACT:
A mixture-lubricated internal combustion engine has a cylinder (2) in which a combustion chamber (3) is formed. The combustion chamber (3) is delimited by a piston (5) mounted to move back and forth. The piston (5) drives a crankshaft (7) rotatably journalled in a crankcase (4). The engine has an inlet channel (9) which supplies fuel and combustion air into the combustion chamber (3) as well as an exhaust outlet (13) from which exhaust gases flow from the combustion chamber. The intake inlet (11) and the exhaust outlet (13) are valve controlled. A flow connection is present between the crankcase (4) and the inlet channel (9). A good idle stability and a good idle acoustic of the engine are achieved in that at least one control valve (23, 33, 43, 63) is mounted in the flow connection.

REFERENCES:
patent: 3839996 (1974-10-01), DeBiasse
patent: 5582145 (1996-12-01), Aizawa et al.
patent: 5709185 (1998-01-01), Aizawa et al.
patent: 6199532 (2001-03-01), Häberlein et al.
patent: 6431157 (2002-08-01), Marcil
patent: 6877474 (2005-04-01), Radel

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