Electric fan cooling of hydraulic pump

Details Electric fan cooling of hydraulic pump Electric fan cooling of hydraulic pump

2006-02-21

2006-02-21

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Including additional means causing or controlling fluid flow...

C415S121300

Reexamination Certificate

active

07001146

ABSTRACT:
An assembly and means for cooling a hydraulic pump comprising an electric fan mounted on a housing of the hydraulic pump. An upper shroud helps direct cooler air to the fan and helps prevent inadvertent contact with the fan blades. An optional controller can be attached that senses the temperature of the hydraulic pump and adjusts the speed of the fan accordingly.

REFERENCES:
patent: 3853193 (1974-12-01), Dunn
patent: 3937192 (1976-02-01), Longhouse
patent: 4206029 (1980-06-01), Spirig
patent: 5794422 (1998-08-01), Reimers et al.
patent: 6589029 (2003-07-01), Heller
patent: 6592336 (2003-07-01), Hirano et al.
patent: 11278065 (1999-10-01), None

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