US 7,320,577 B1 | ||
Dual pump transmission | ||
Lonnie E. Holder, Sullivan, Ill. (US); Michael Todd, Sullivan, Ill. (US); and Robert E. Trimble, Sullivan, Ill. (US) | ||
Assigned to Hydro-Gear Limited Partnership, Sullivan, Ill. (US) | ||
Filed on Apr. 07, 2005, as Appl. No. 11/100,836. | ||
Application 11/100836 is a continuation of application No. 10/701830, filed on Nov. 05, 2003, abandoned. | ||
Application 10/701830 is a continuation of application No. 10/118263, filed on Apr. 08, 2002, granted, now 6,672,843. | ||
Int. Cl. F04B 1/26 (2006.01); F04B 49/00 (2006.01) |
U.S. Cl. 417—270 [417/307] | 24 Claims |
1. A hydraulic apparatus comprising:
a hydraulic mounting member having a first end, a second end formed opposite the first end and a pair of sides connecting
the first and second ends;
a first hydraulic pump and a second hydraulic pump both rotatably mounted on the hydraulic mounting member; and
a pair of system passages formed in and extending through the hydraulic mounting member from the first end to the second end,
each system passage comprising a first port in fluid communication with the first hydraulic pump and an opening on the first
end of the hydraulic mounting member and a second port in fluid communication with the second hydraulic pump and an opening
on the second end of the hydraulic mounting member.
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