Hydraulic unit with integral oil cooler
AssigneeParker-Hannifin Corporation
InventorsXingen Dong, Barun Acharya
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Abstract
A hydraulic unit including an integrated fluid cooler. The fluid cooler includes a flow-through type heat exchanger. The hydraulic unit can include a pump, a motor, or both a pump and a motor. The fluid cooler can be carried by a housing of the hydraulic unit and a fan for moving air through the fluid cooler and circulating air over at least a portion of the housing of the hydraulic unit can be interposed between the fluid cooler and the housing. The fluid cooler can also be configured to function as a fan shroud. Fluid from the hydraulic unit as well as fluid from other sources can be circulated through the fluid cooler.
Claims14
A hydraulic unit comprising:
- a hydraulic pump and/or motor having a housing;
- a fluid cooler including a flow-through heat exchanger spaced apart from the housing for cooling fluid associated with the hydraulic pump and/or motor;
- and
- a fan positioned to cause air to flow through the fluid cooler and pass over at least a portion of the housing.
A hydraulic unit as set forth in claim, 1, wherein the flow-through heat exchanger has opposite sides and a plurality of through apertures through which air can flow from one side to the other.
Dependencies are inferred from the claim text.