Dual pump

Details Dual pump Dual pump

2007-06-08

2010-10-05

Freay, Charles G (Department: 3746)

Pumps

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

C092S071000, C060S484000

Reexamination Certificate

active

07806667

ABSTRACT:
A dual pump apparatus having two pumps mounted in a housing, where the housing comprises two elements mounted on opposite sides of a hydraulic mounting member or center section. The pumps are mounted on one side of the hydraulic mounting member in a pump cavity, and the hydraulic mounting member and second housing element form a drive cavity in which gears or an endless coupling member such as a chain or belt to connect the two pump input shafts are located.

REFERENCES:
patent: 2875701 (1959-03-01), Ebert
patent: 2914219 (1959-11-01), Chiantelassa
patent: 3279172 (1966-10-01), Kudo et al.
patent: 3593519 (1971-07-01), Fuhrimann
patent: 3643433 (1972-02-01), Widmaier
patent: 3659419 (1972-05-01), Ikeda
patent: 3680312 (1972-08-01), Forster
patent: 3866700 (1975-02-01), Bauer
patent: 3908519 (1975-09-01), Born et al.
patent: 4041703 (1977-08-01), Knapp
patent: 4111003 (1978-09-01), Bolinger et al.
patent: 4167855 (1979-09-01), Knapp
patent: 4212601 (1980-07-01), Ina
patent: 4252508 (1981-02-01), Forster
patent: 4270408 (1981-06-01), Wagner
patent: 4332134 (1982-06-01), Cochran et al.
patent: 4426911 (1984-01-01), Robinson et al.
patent: 4690036 (1987-09-01), Kosaka et al.
patent: 4819508 (1989-04-01), Yamaoka et al.
patent: 4856368 (1989-08-01), Fujisaki et al.
patent: 4870820 (1989-10-01), Nemoto
patent: 4893524 (1990-01-01), Ohashi et al.
patent: 4896506 (1990-01-01), Shivvers et al.
patent: 4899541 (1990-02-01), Okada et al.
patent: 4905472 (1990-03-01), Okada
patent: 4914907 (1990-04-01), Okada
patent: 4920733 (1990-05-01), Berrios
patent: 4932209 (1990-06-01), Okada et al.
patent: 4934253 (1990-06-01), Berthold et al.
patent: 4971535 (1990-11-01), Okada
patent: 4986073 (1991-01-01), Okada
patent: 4986075 (1991-01-01), Shimoie
patent: 5040429 (1991-08-01), Del Castillo
patent: 5042252 (1991-08-01), Havens et al.
patent: 5074195 (1991-12-01), Ohashi et al.
patent: 5078222 (1992-01-01), Hauser et al.
patent: 5094077 (1992-03-01), Okada
patent: 5136845 (1992-08-01), Woodley
patent: 5146748 (1992-09-01), Okada
patent: 5156576 (1992-10-01), Johnson
patent: 5163293 (1992-11-01), Azuma et al.
patent: 5182966 (1993-02-01), von Kaler et al.
patent: 5201692 (1993-04-01), Johnson et al.
patent: 5207060 (1993-05-01), Sheets
patent: 5289738 (1994-03-01), Szulczewski
patent: 5304043 (1994-04-01), Shilling
patent: 5311740 (1994-05-01), Shiba et al.
patent: 5314387 (1994-05-01), Hauser et al.
patent: 5330394 (1994-07-01), Hauser et al.
patent: 5333451 (1994-08-01), Sakikawa et al.
patent: 5335496 (1994-08-01), Azuma et al.
patent: 5339631 (1994-08-01), Ohashi
patent: 5373697 (1994-12-01), Jolliff et al.
patent: 5392670 (1995-02-01), Hauser
patent: 5419130 (1995-05-01), Ruckgauer et al.
patent: 5440951 (1995-08-01), Okada et al.
patent: 5498140 (1996-03-01), Kawaguchi et al.
patent: 5501578 (1996-03-01), Skirde
patent: 5542307 (1996-08-01), Hasegawa et al.
patent: 5546752 (1996-08-01), Horton et al.
patent: 5555727 (1996-09-01), Hauser et al.
patent: 5588294 (1996-12-01), Sakakura et al.
patent: 5628189 (1997-05-01), Hauser et al.
patent: 5771758 (1998-06-01), Hauser
patent: 5794443 (1998-08-01), Shimizu
patent: 5800134 (1998-09-01), Hasegawa et al.
patent: 5819537 (1998-10-01), Okada et al.
patent: 5836159 (1998-11-01), Shimizu
patent: 5845559 (1998-12-01), Schoroeder et al.
patent: 5862664 (1999-01-01), Ohashi et al.
patent: 5873287 (1999-02-01), Kawada
patent: 5887484 (1999-03-01), Abend et al.
patent: 5913950 (1999-06-01), Matsufuji
patent: 5957229 (1999-09-01), Ishii
patent: 5957666 (1999-09-01), Lee
patent: 5975496 (1999-11-01), Hong et al.
patent: 6185936 (2001-02-01), Hauser et al.
patent: 6296323 (2001-10-01), Cords
patent: 6301885 (2001-10-01), Johnson et al.
patent: 6318496 (2001-11-01), Koehler et al.
patent: 6332393 (2001-12-01), Trimble
patent: 6361282 (2002-03-01), Wanschura
patent: 6363815 (2002-04-01), Ishimaru et al.
patent: 6382339 (2002-05-01), Nemoto
patent: 6425244 (2002-07-01), Ohashi et al.
patent: 6487856 (2002-12-01), Ohashi et al.
patent: 6487857 (2002-12-01), Poplawski et al.
patent: 6494686 (2002-12-01), Ward
patent: 6637294 (2003-10-01), Nemoto
patent: 6672058 (2004-01-01), Langenfeld et al.
patent: 6672843 (2004-01-01), Holder et al.
patent: 6682312 (2004-01-01), Ward
patent: 6705840 (2004-03-01), Hauser et al.
patent: 6736605 (2004-05-01), Ohashi et al.
patent: 6877302 (2005-04-01), Samejima et al.
patent: 6953327 (2005-10-01), Hauser et al.
patent: 6971233 (2005-12-01), Holder
patent: 6988580 (2006-01-01), Ohashi et al.
patent: 7028472 (2006-04-01), Ohashi et al.
patent: 7044259 (2006-05-01), Stoll et al.
patent: 7137250 (2006-11-01), McCoy et al.
patent: 7229256 (2007-06-01), Hauser et al.
patent: 7247113 (2007-07-01), Hasegawa et al.
patent: 2003/0033803 (2003-02-01), Ohashi et al.
patent: 2004/0237490 (2004-12-01), Yasuda et al.
patent: 2005/0016304 (2005-01-01), Ishii et al.
patent: 1473183 (2004-03-01), None
patent: 2001-263259 (1999-09-01), None
patent: 2000-099023 (2000-11-01), None
patent: 2001-116107 (2001-04-01), None
patent: 2001-146951 (2001-05-01), None
patent: 2001-146954 (2001-05-01), None
patent: WO99/67532 (1999-12-01), None
Dixie Chopper, Operation Manual 1998, cover page and pp. 50-51, 60-61, 66, Revisions # 5 Feb. 1998.

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