Lubricating device for a vehicle motor

Details Lubricating device for a vehicle motor Lubricating device for a vehicle motor

1991-06-19

1992-10-20

Herrmann, Allan D.

Planetary gear transmission systems or components

With transmission cooling or heating means

180 655, 180 656, 310 54, 310 64, 310 83, 475149, 475159, G16H 132, G16H 5704

Patent

active

051565790

ABSTRACT:
A wheel motor is provided with a stator which includes a coil wound therearound and which is fixed to a casing, a hollow cylindrical rotor which is supported by the casing through a bearing and is disposed inside the stator, an output flange which is supported by the casing through a bearing and which is fixed to a wheel, a reduction mechanism which includes an input gear supported by the rotor and an output gear supported by the output flange and which is disposed in the hollow in the rotor, an oil pump motor disposed in a lower portion of the casing, an oil passage extending upward through a side wall of the casing, and an oil passage which is formed in an upper portion of the casing and which feeds a discharge port through which oil is ejected for cooling the stator coil. The lubricating system for the wheel motor includes a lubricating oil passage extending from the oil passage in the upper portion of the casing to the reduction mechanism for supplying the cooled oil to the reduction mechanism.

REFERENCES:
patent: 4799564 (1989-01-01), Iijima
patent: 5014800 (1991-05-01), Kawamoto et al.

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