Internal-combustion engines – Crankcase ventilation
Reexamination Certificate
2011-04-05
2011-04-05
Cuff, Michael (Department: 3783)
Internal-combustion engines
Crankcase ventilation
C123S572000, C123S573000, C123S574000, C440S08800J, C440S08800J
Reexamination Certificate
active
07918196
ABSTRACT:
A vertical type engine includes: an engine body having a crank chamber and a cylinder bore; and a timing transmission chamber provided above the engine body and housing a timing transmission device that connects between a crankshaft and a cam shaft which are vertically placed, respectively, wherein a generator driven by the crankshaft is placed above the timing transmission device, and a breather chamber communicating with the crank chamber and an intake silencer box is provided between the generator and the crank chamber placed below the generator on the side opposite from the cam shaft with respect to the crankshaft. Hence, a vertical type engine that includes a breather chamber dedicated for gas-liquid separation and is compact can be achieved.
REFERENCES:
patent: 5383440 (1995-01-01), Koishikawa et al.
patent: 5514015 (1996-05-01), Okazawa et al.
patent: 6516768 (2003-02-01), Watanabe
patent: 9-41937 (1997-02-01), None
patent: 10089040 (1998-04-01), None
Ishizaka Kazuhiro
Naoi Atsumu
Arent & Fox LLP
Cuff Michael
Honda Motor Co. Ltd.
Nguyen Hung Q
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