Planetary gear transmission having an arrangement for efficient

Details Planetary gear transmission having an arrangement for efficient Planetary gear transmission having an arrangement for efficient

1989-06-30

1990-08-21

Herrmann, Allan D.

Planetary gear transmission systems or components

Variable speed or direction transmission combined with...

Transmission output shaft parallel to differential output...

74606R, 475160, 475210, 475317, 184 612, F16H 3708, F16H 918, F16H 5704

Patent

active

049502131

ABSTRACT:
A planetary gear transmission having a sun gear and a ring gear, planetary gears engaging the sun and ring gears, a carrier having a radial flange and carrier pins fixed to the flange to rotatably support the planetary gears, and a first and a second gear rotatable with the carrier and engaging each other. The first gear has an external toothed portion located on one of opposite sides of the flange as seen in the axial direction, while the planetary gear are located on the other side of the flange. At least one lubricant passage is formed so as to extend through the flange. Each passage communicates with the corresponding planetary gears and has an open end open in one of the opposite surfaces on the side of the external toothed portion of the first gear. An annular lubricant receiver is disposed coaxially with the carrier, for receiving a lubricant which is fed from a meshing point of the first and second gears in the axial direction from the first gear toward the planetary gears. The receiver is adapted to direct the lubricant to the open end of each lubricant passage, for lubricating the corresponding planetary gear.

REFERENCES:
patent: 4227427 (1980-10-01), Dick
patent: 4455888 (1984-06-01), Wayman et al.
patent: 4467670 (1984-08-01), Kawamoto
patent: 4528870 (1985-07-01), Deursen et al.
patent: 4784018 (1988-11-01), Okada et al.

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