Lubricating mechanism for a rotary machine

Details Lubricating mechanism for a rotary machine Lubricating mechanism for a rotary machine

1986-05-29

1987-12-15

Bonck, Rodney H.

Machine element or mechanism

Gearing

Lubrication

74606R, 184 612, 184 112, 384462, 384472, F16H 5704, F16N 100, F16N 714

Patent

active

047124423

ABSTRACT:
A lubricating mechanism for a rotary machine, such as a Roots blower, of the class having a pair of vertically spaced parallel shafts (20, 22) which are rotated in synchronization with each other by a pair of meshing gears (36, 38) and are provided with bearings (28, 30) and oil seals (40, 42) requiring lubrication. The rotary machine includes an enclosed gear chamber (70) serving to form an oil sump (74) for lubrication of the meshing gears. The lubricating mechanism is intended to lubricate the oil seal (40) and bearing (28) of the upper shaft (20) of the machine located above and remote from the oil sump. The lubricating mechanism comprises a guiding mechanism (80, 82) for positively guiding the lubricant in the oil sump (74) to be entrained in sequence by the lower gear (38) and the upper gear (36) and lifting the lubricant to the upper region of the gear chamber (70). The lubricating mechanism also comprises lubricant passages (56, 58) respectively having an inlet opening into the upper region of the gear chamber (70) and an outlet opening between the oil seal (40) and the bearing (28) associated with the upper shaft (20).

REFERENCES:
patent: 2519557 (1950-08-01), Flanagan
patent: 2645305 (1953-07-01), Roos
patent: 3195682 (1965-07-01), Reneerkens
patent: 3508630 (1970-04-01), Keller et al.
patent: 3587783 (1971-06-01), Walters et al.
patent: 4182199 (1980-01-01), Watson
patent: 4498353 (1985-02-01), Kitade
patent: 4501167 (1985-02-01), Saito

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