Pumps – Three or more cylinders arranged in parallel – radial – or... – Condition responsive fluid control
Reexamination Certificate
2008-01-22
2008-01-22
Stashick, Anthony D. (Department: 3746)
Pumps
Three or more cylinders arranged in parallel, radial, or...
Condition responsive fluid control
C417S307000
Reexamination Certificate
active
07320577
ABSTRACT:
A dual pump apparatus for use on a vehicle or industrial application having a housing in which a pair of hydraulic pumps are mounted, having a cooling fan mounted on the primary or secondary input shaft on the opposite side of the pulley used to engage the prime mover. A charge pump may be mounted on the end cap, and the trunnion arms for controlling the hydraulic pumps extend out of opposite sides of the housing. An auxiliary pump may also be mounted on the primary input shaft and may be located either at the input end thereof adjacent to the pulley, or on the opposite side of the housing.
REFERENCES:
patent: 3593519 (1971-07-01), Fuhrimann
patent: 3659419 (1972-05-01), Ikeda
patent: 3680312 (1972-08-01), Forster
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: 4332134 (1982-06-01), Cochran et al.
patent: 4690036 (1987-09-01), Kosaka et al.
patent: 4825909 (1989-05-01), Martin et al.
patent: 4856368 (1989-08-01), Fujiskai et al.
patent: 4870820 (1989-10-01), Nemoto
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), Berris
patent: 4932209 (1990-06-01), Okada et al.
patent: 4934253 (1990-06-01), Berthold et al.
patent: 4986073 (1991-01-01), Okada
patent: 4986075 (1991-01-01), Shimoie
patent: 5042252 (1991-08-01), Havens et al.
patent: 5074195 (1991-12-01), Ohashi 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: 5311740 (1994-05-01), Shiba et al.
patent: 5314387 (1994-05-01), Hauser et al.
patent: 5333451 (1994-08-01), Sakikawa et al.
patent: 5339631 (1994-08-01), Ohashi
patent: 5373697 (1994-12-01), Joliff et al.
patent: 5419130 (1995-05-01), Ruckgauer et al.
patent: 5440951 (1995-08-01), Okada et al.
patent: 5501578 (1996-03-01), Skirde
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: 5975496 (1999-11-01), Hong et al.
patent: 6185936 (2001-02-01), Hauser et al.
patent: 6296323 (2001-10-01), Cords
patent: 6332393 (2001-12-01), Trimble
patent: 6361282 (2002-03-01), Wanschura
patent: 6425244 (2002-07-01), Ohashi et al.
patent: 6487856 (2002-12-01), Ohashi et al.
patent: 2-135765 (1990-11-01), None
patent: 2000-9023 (2000-01-01), None
patent: 2001-146951 (2001-05-01), None
patent: 2001-263259 (2001-09-01), None
Holder Lonnie E.
Todd Michael
Trimble Robert E.
Gillan Ryan
Hydro-Gear Limited Partnership
Neal Gerber & Eisenberg LLP
Stashick Anthony D.
LandOfFree
Dual pump transmission does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dual pump transmission, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dual pump transmission will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2785641