Invention Grant
- Patent Title: Positive displacement pump apparatus and method
- Patent Title (中): 正排量泵装置及方法
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Application No.: US11730680Application Date: 2007-04-03
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Publication No.: US08007264B2Publication Date: 2011-08-30
- Inventor: Van Norman J. Drew , Hagen Curt
- Applicant: Van Norman J. Drew , Hagen Curt
- Applicant Address: US NC Charlotte
- Assignee: SPX Corporation
- Current Assignee: SPX Corporation
- Current Assignee Address: US NC Charlotte
- Agency: Baker & Hostetler LLP
- Main IPC: F01C1/18
- IPC: F01C1/18 ; F01C1/24 ; F03C2/00
Abstract:
An improved positive displacement rotary pump apparatus and method is provided. The pump may include a front cover, a rotor body forming a chamber with the front cover, a gear case supporting a pair of hollow drive shafts, and a pair of rotors disposed in the chambers and each detachably mounted to one end of a respective hollow drive shaft via a stud that extends from the rotor through the hollow shaft to a fastener.
Public/Granted literature
- US20080069707A1 Positive displacement pump apparatus and method Public/Granted day:2008-03-20
Information query
IPC分类:
