F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
123/5
F04B 49/00 (2006.01)
Patent
CA 1235617
-25- Abstract of the Disclosure Hydrostatic Vehicle Control An apparatus for controlling both pump displacement of a variable displacement hydraulic pump and the quantity of fuel delivered to an internal combustion engine for the purpose of delivering a requested hydraulic flow at a highly efficient operating point. The apparatus includes an underspeed control apparatus for reducing pump displacement in response to the operating speed of the engine lugging below a desired operating speed. Additionally, a fuel control apparatus operates to reduce the quantity of fuel delivered to the engine in response to the operating speed of the engine rising above the desired operating speed.
479821
Armstrong John T. Jr.
Mitchell Randall M.
Caterpillar Inc.
Kirby Eades Gale Baker
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