Tandem pump unit

Details Tandem pump unit Tandem pump unit

2007-03-06

2007-03-06

Freay, Charles G. (Department: 3746)

Motors: expansible chamber type

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

Cylinders parallel to rotation axis

C091S502000, C060S464000, C060S486000, C060S484000, C417S269000

Reexamination Certificate

active

10799737

ABSTRACT:
The present invention provides a tandem pump unit that includes: a first hydraulic pump and a second hydraulic pump respectively having a first pump shaft and a second pump shaft respectively having adjacent ends connected together so that the first and second pump shafts are coaxially aligned and non-rotatably connected in tandem; a common housing for accommodating the first hydraulic pump and the second hydraulic pump; and a first center section and a second center section that respectively support the first and second hydraulic pumps.

REFERENCES:
patent: 3966841 (1976-06-01), Combs
patent: 4044557 (1977-08-01), Stoessel et al.
patent: 4920733 (1990-05-01), Berrios
patent: 5394699 (1995-03-01), Matsufuji
patent: 5800134 (1998-09-01), Hasegawa et al.
patent: 5957666 (1999-09-01), Lee
patent: 6189641 (2001-02-01), Azuma
patent: 6332393 (2001-12-01), Trimble
patent: 6361282 (2002-03-01), Wanschura
patent: 6487856 (2002-12-01), Ohashi et al.
patent: 6494686 (2002-12-01), Ward
patent: 6736605 (2004-05-01), Ohashi et al.

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