Hydraulic seal and method of assembling the same

Details Hydraulic seal and method of assembling the same Hydraulic seal and method of assembling the same

1992-04-16

1993-08-31

Cuchlinski, Jr., William A.

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29451, 277 13, 277 14R, 277 25, 277 53, 277135, B23P 1102, F16J 1516

Patent

active

052397505

ABSTRACT:
A hydraulic seal is formed in the annular space 16 between two coaxial drive shafts 12 and 14. The seal is assembled with the two shafts in situ. An annular resilient seal member 30, which has an outer diameter which is larger than the inner diameter of the outer shaft 12, is deformed so that it can be passed through the annular space 16. The resilient seal member 30 is positioned in a channel 18 in the inner surface of the outer shaft 12. Once in the channel 18 the resilient seal member 30 returns to its original shape. The resilient seal member 30 is located between a pair of annular flanges 22 and 26 on the end of a pair of elongate members 20 and 24 of annular cross-section. The resilient seal member 30 protrudes into the channel 18 so that in operation it is partially immersed in a fluid 32 in the channel 18 to form the hydraulic seal.

REFERENCES:
patent: 1626237 (1927-04-01), Hodgkinson
patent: 2407285 (1946-09-01), King
patent: 2834618 (1958-05-01), Wiltse
patent: 3097853 (1963-07-01), McHugh
patent: 3455561 (1969-07-01), Rinker et al.
patent: 4054293 (1977-10-01), Hoeg et al.
patent: 4126316 (1978-11-01), Cather, Jr.
patent: 4484752 (1984-11-01), Bentley
patent: 4560172 (1985-12-01), Zimmermann et al.

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