Patent ID: 6814044
Filing Date: 2004-11-09
Classification: F01M,F16H,F16N

Abstract:
An apparatus for pumping oil in a machine, comprising:a first gear driveably connected to the machine; a second gear connected to the machine such that the teeth located on the first gear operatively engage the teeth located on the second gear; a housing operative to enclose only a portion of the first and second sears from a point of engagement between the first and second gears to a location slightly prior to the point of engagement thereof, the location slightly prior to the point of engagement is a location at which a portion of the teeth of at least one of the first and second gears is enclosed within the housing; an oil inlet port located in the housing and being in communication with the portion of teeth of the at least one of the first and second gears at the location slightly before the point of engagement of the teeth of the first and second gears; and an oil outlet port located in the housing and being in communication with the respective teeth of the first and second gears at the point of engagement thereof.