Invention Grant
- Patent Title: Roots type pump and fuel cell system
- Patent Title (中): 根型泵和燃料电池系统
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Application No.: US12083769Application Date: 2006-11-16
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Publication No.: US07794218B2Publication Date: 2010-09-14
- Inventor: Nobuo Fujita
- Applicant: Nobuo Fujita
- Applicant Address: JP Toyota-shi
- Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee Address: JP Toyota-shi
- Agency: Kenyon & Kenyon LLP
- Priority: JP2005-353150 20051207
- International Application: PCT/JP2006/322865 WO 20061116
- International Announcement: WO2007/066486 WO 20070614
- Main IPC: F03C2/00
- IPC: F03C2/00 ; F03C4/00 ; F04C18/00
Abstract:
There is disclosed a Roots type pump in which two rotors are rotated synchronously in a pump chamber to compress fluid therein, wherein respective stop positions of the rotors in the pump chamber at a time of stopping the pump are determined independently of each other.
Public/Granted literature
- US20090047163A1 Roots Pump and Fuel Cell System Public/Granted day:2009-02-19
Information query
