| US 7,475,681 B2 | ||
| Breather apparatus in combustion engine | ||
| Yasuhiro Kuji, Kako-gun (Japan); and Akinobu Wakabayashi, Kobe (Japan) | ||
| Assigned to Kawasaki Jukogyo Kabushiki Kaisha, Hyogo (Japan) | ||
| Filed on Dec. 21, 2007, as Appl. No. 12/3,362. | ||
| Claims priority of application No. 2006-349799 (JP), filed on Dec. 26, 2006. | ||
| Prior Publication US 2008/0210206 A1, Sep. 04, 2008 | ||
| Int. Cl. F02B 25/06 (2006.01); F02B 25/00 (2006.01) | ||
| U.S. Cl. 123—573 [123/41.86] | 4 Claims |
| 1. A breather apparatus in a combustion engine having cylinders arranged in V-shape and a crank case provided with a transmission
case, the breather apparatus comprising:
an air cleaner case including a filter element for purifying intake air to be supplied to the combustion engine, the air cleaner
being disposed above a space formed in V-shape between the cylinders;
a first breather chamber provided in the transmission case of the crank case and separating an oil component from blow-by
gas generated in the crank case, the first breather chamber being disposed on an upper portion of the transmission case and
having an outlet of the blow-by gas extending rear upward;
a second breather chamber provided at a bottom portion of the air cleaner case and separating an oil component from the blow-by
gas from the first breathe chamber, the second breather chamber being positioned in a clean side space downstream of the cleaner
element and having an inlet of the blow-by gas extending rear downward;
a breather pipe for fluidly connecting the outlet of the first breather chamber and the inlet of the second breathe chamber.
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