Integral close coupling for a rotary gear pump

Details Integral close coupling for a rotary gear pump Integral close coupling for a rotary gear pump

1996-12-10

1998-08-04

Vrablik, John J.

Rotary expansible chamber devices

Interengaging rotating members

Like rotary members

418270, 403364, 464182, 464903, F04C 1500, F16D 100

Patent

active

057884730

ABSTRACT:
A coupling for transferring power from a drive shaft to a driven shaft includes a first coupling member, having a substantially cylindrical body, with a cylindrical bore at a first end, longitudinal key arrangement within the bore for being rotatably driven by a keyed motor drive shaft, and a solid cylindrical portion at a second end having a distal face with an alternating plurality of longitudinally projecting drive lugs and longitudinally recessed pockets; and a second coupling member for installation on a driven shaft having a substantially cylindrical body with a first proximal face, providing a non-cylindrical socket means for receiving and for drivably engaging the driven shaft, and a second distal face with an alternating plurality of longitudinally recessed pockets and longitudinally projecting drive lugs, the longitudinally projecting drive lugs of the first coupling member fitting into the longitudinally recessed pockets of the second coupling member, and vice versa, to complete the coupling. Preferably both coupling members are molded from a 30% glass filled long fiber polyphenylene sulfide resin.

REFERENCES:
patent: 2060473 (1936-11-01), Schumb
patent: 3063261 (1962-11-01), Sorenson
patent: 3884049 (1975-05-01), Pauli
patent: 4228664 (1980-10-01), McCoy
patent: 5006048 (1991-04-01), Jow
patent: 5545091 (1996-08-01), Hoskins et al.

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