The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 17, 2007
Filed:
Jul. 15, 2002
Hiroyasu Nishikawa, Osaka, JP;
Satoshi Iwata, Osaka, JP;
Yasuhiro Ozaki, Osaka, JP;
Michio Sakata, Osaka, JP;
Kaichi Takeuchi, Osaka, JP;
Hiroyasu Nishikawa, Osaka, JP;
Satoshi Iwata, Osaka, JP;
Yasuhiro Ozaki, Osaka, JP;
Michio Sakata, Osaka, JP;
Kaichi Takeuchi, Osaka, JP;
Yanmar Co., Ltd., , JP;
Abstract
A breather device comprises a breather chamber () provided in a valve arm chamber () arranged above a cylinder head of an engine. In the breather chamber, blow-by gas including oil mist is separated into oil component and gas component, and the oil mist is removed from the blow-by gas. The interior of the breather chamber is alternately divided into plural horizontally juxtaposed rooms () by a partition () extended from a bottom surface of the breather chamber and a partition () extended from a ceiling surface of the breather chamber. Plural oil trap members () for trapping oil mist in the blow-by gas are arranged in the breather chamber. Especially, the oil trap member arranged at a blow-by gas inlet of the breather chamber is held by a holder () made separately from members () forming the valve arm chamber ().