Eccentric arrangement for a reciprocating piston pump

Details Eccentric arrangement for a reciprocating piston pump Eccentric arrangement for a reciprocating piston pump

1997-06-25

1998-12-01

Denion, Thomas E.

Expansible chamber devices

Resilient means interposed between working member and...

92129, 92138, 92 72, 417273, F16J 110

Patent

active

058424059

ABSTRACT:
The present invention relates to an eccentric arrangement for a reciprocating piston pump, having a drive shaft drivable by a drive device, an eccentric part of a rubber-elastically deformable material is disposed on the drive shaft in a manner fixed against relative rotation. A bearing ring is provided on an outer circumferential surface of the eccentric part, by which ring a reciprocating piston is displaceable driven substantially perpendicular to the drive shaft. To avoid stroke losses, first and second support faces are provided on the drive shaft which the eccentric part disposed between them in such a way that the eccentric part rests with its axial ends on the first and second support faces.

REFERENCES:
patent: 3578830 (1971-05-01), Pitner
patent: 3612728 (1971-10-01), Fulmer
patent: 3866480 (1975-02-01), Elliston
patent: 5039283 (1991-08-01), Mergenthaler et al.
patent: 5348382 (1994-09-01), Ebaugh et al.
patent: 5375982 (1994-12-01), Joosse et al.
patent: 5642988 (1997-07-01), Zorn

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