Cooling pump assembly and cooling system for utility vehicle

• Main Authors: Rousser, Donald, Keller, Scott W
• Format: Patent
• Language: English
• Published: 17.03.2020
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; BLASTING; COOLING OF INTERNAL-COMBUSTION ENGINES; COOLING OF MACHINES OR ENGINES IN GENERAL; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; ENGINE PLANTS IN GENERAL; FISHING; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; FORESTRY; HARVESTING; HEATING; HUMAN NECESSITIES; HUNTING; HYDRAULICS OR PNEUMATICS IN GENERAL; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; MOWING; PERFORMING OPERATIONS; STEAM ENGINES; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; TRANSPORTING; TRAPPING; VEHICLES IN GENERAL; WEAPONS

A coolant pump assembly having a combined hydraulic drive pump and a coolant circulating pump is disclosed herein, for use in connection with a utility vehicle, such as a ride-on or stand-on mower. Such a vehicle includes at least one combination pump assembly that utilizes a first fluid circuit to hydraulically drive a wheel of the vehicle and a second fluid circuit to cool one or more vehicle components.