Hybrid nutating pump

Details Hybrid nutating pump Hybrid nutating pump

2007-12-04

2007-12-04

Lazo, Thomas E. (Department: 3745)

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

C074S060000, C091S499000

Reexamination Certificate

active

10595005

ABSTRACT:
A nutating pump has a cross-type universal joint connecting a nutating member to a pump housing, ball joints connecting the nutating member to piston rods, and the piston rods fixed to piston heads so that the piston heads wobble in pump cylinders.

REFERENCES:
patent: 4934253 (1990-06-01), Berthold et al.
patent: 5007385 (1991-04-01), Kitaguchi
patent: 5079996 (1992-01-01), Abousabha et al.
patent: 6074174 (2000-06-01), Lynn et al.
patent: 6439857 (2002-08-01), Koelzer et al.
patent: 6450777 (2002-09-01), Lynn et al.
patent: 6866484 (2005-03-01), Reitzig
patent: 2003/0002990 (2003-01-01), Reitzig
International Search Report for International Application Number PCT/US2004/19467, completed on Mar. 14, 2005.

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