Inline tandem pump

Details Inline tandem pump Inline tandem pump

2006-06-06

2006-06-06

Freay, Charles G. (Department: 3746)

Pumps

Three or more cylinders arranged in parallel, radial, or...

C060S484000, C060S485000, C091S504000

Reexamination Certificate

active

07056101

ABSTRACT:
A dual tandem pump apparatus having a pair of coaxially arranged pump shafts and a separate input shaft that is not coaxial with the pump shafts. The trunnion arms for the two pumps may be mounted in different locations to increase application flexibility. Charge pumps may be mounted on end caps secured to the housing or may be driven directly by the input shaft. A coupler or bevel gear arrangement is used inside the pump housing to drive the pump shafts from the input shaft.

REFERENCES:
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patent: 4270408 (1981-06-01), Wagner
patent: 4819508 (1989-04-01), Yamaoka et al.
patent: 4971535 (1990-11-01), Okada et al.
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patent: 5078222 (1992-01-01), Hauser et al.
patent: 5207060 (1993-05-01), Sheets
patent: 5304043 (1994-04-01), Shilling
patent: 5501578 (1996-03-01), Skirde
patent: 5800134 (1998-09-01), Hasegawa et al.
patent: 6332393 (2001-12-01), Trimble
patent: 6361282 (2002-03-01), Wanschura
patent: 6487856 (2002-12-01), Ohashi et al.

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