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:
Apr. 12, 2011
Filed:
Jul. 23, 2007
Nobu Kobayashi, Osaka, JP;
Hajimu Imanaka, Osaka, JP;
Mitsuyoshi Kawarabayashi, Osaka, JP;
Yanmar Co., Ltd., Osaka, JP;
Abstract
To provide an accumulator fuel injection device, so as to stabilize the operation of a pressure control valve for controlling a fuel pressure in an accumulator. The accumulator fuel injection device includes a pressure control valvefor controlling the fuel pressure in the accumulator by moving an armaturein an armature chamberand by adjusting escaped volumes of the fuels from the accumulatordue to a valving elementformed integral with the armaturein a control chamberintroducing the fuels in the accumulator. A means for attenuating the pressure transmitted from the accumulatorto the valve seatis provided in the valve seatdisposed between the control chamberand the accumulatorof the pressure control valve