发明授权
- 专利标题： Fuel vapor leak check module
- 专利标题（中）： 燃油蒸汽泄漏检查模块
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申请号： US10922999申请日： 2004-08-23
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公开(公告)号： US07137288B2公开(公告)日： 2006-11-21
- 发明人: Mitsuyuki Kobayashi , Hitoshi Amano , Seiji Kunihiro , Masafumi Tsuruta
- 申请人： Mitsuyuki Kobayashi , Hitoshi Amano , Seiji Kunihiro , Masafumi Tsuruta
- 申请人地址： JP
- 专利权人： Denso Corporation
- 当前专利权人： Denso Corporation
- 当前专利权人地址： JP
- 代理机构： Nixon & Vanderhye PC
- 优先权： JP2003-300158 20030825; JP2003-300159 20030825; JP2003-300160 20030825
- 主分类号： G01M3/04
- IPC分类号： G01M3/04
摘要：
A fuel vapor leakage check module has a canister port which is provided so that the port can be opened to the air and is connected to the interior of a fuel tank through a canister for absorbing fuel vapor produced in the fuel tank. A pump depressurizes or pressurizes the interior of the fuel tank through the canister port. A connecting passage which is coaxially provided in the canister port, is connected to the canister port. The connecting passage is depressurized or pressurized by the pump. A standard orifice is coaxially provided in the connecting passage and reduces the passage area of the connecting passage.
公开/授权文献
- US20050044937A1 Fuel vapor leak check module 公开/授权日：2005-03-03
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