发明申请
- 专利标题: ACCELERATOR APPARATUS FOR DIAPHRAGM CARBURETORS
- 专利标题(中): 加热器装置用于印刷碳刷
-
申请号: US11218429申请日: 2005-09-06
-
公开(公告)号: US20070052116A1公开(公告)日: 2007-03-08
- 发明人: Takashi Ishii
- 申请人: Takashi Ishii
- 申请人地址: JP Iwate-ken
- 专利权人: Zama Japan Co. Ltd.
- 当前专利权人: Zama Japan Co. Ltd.
- 当前专利权人地址: JP Iwate-ken
- 主分类号: F02M7/08
- IPC分类号: F02M7/08
摘要:
An accelerated fuel passage of an accelerator pump operatively connected with a throttle shaft having a throttle valve. The accelerated fuel passage is connected to an upstream side of a needle orifice, which orifice is coupled to a main nozzle. Consequently, the fuel is discharged by the accelerator pump into an area before the needle orifice. By the addition of a one-way check valve system in a fuel pick up at a metering chamber for a fuel circuit, the fuel driven by the accelerator pump piston is discharged to a venturi tube of an intake passage through the main nozzle. A self pumping effect caused by an engine pulsation is dampened or eliminated by the needle orifice. Further, a check valve is provided within a fuel pick up at a metering chamber for a fuel circuit, whereby the fuel driven by the accelerator pump piston is discharged to a venturi tube through a main nozzle without returning to the fixed fuel chamber.
公开/授权文献
- US07210672B2 Accelerator apparatus for diaphragm carburetors 公开/授权日:2007-05-01