Title:
READILY REMOVABLE PUMP CROSSHEAD
Document Type and Number:
WIPO Patent Application WO/2011/005571
Kind Code:
A3
Abstract:
A reciprocating pump has a driven crankshaft and a connecting rod having an aft end rotatably mounted to the crankshaft. The pump has a stationarily mounted crosshead case in which a crosshead assembly strokes. The crosshead assembly has first and second crosshead members. A retainer pivotally joins the forward end of the connecting rod to the first crosshead member. The second crosshead member has a partially cylindrical recess containing a bushing. The forward end of the connecting rod is in pivotal engagement with the bushing. The second crosshead member is releasably secured to the first crosshead member to allow removal of the second crosshead member and the bushing from the crosshead case without detaching the forward end of the connecting rod from the first crosshead member.
Inventors:
KUGELEV VLADIMIR (US)
Application Number:
PCT/US2010/039651
Publication Date:
April 21, 2011
Filing Date:
June 23, 2010
Export Citation:
Assignee:
WEIR SPM INC (US)
KUGELEV VLADIMIR (US)
KUGELEV VLADIMIR (US)
International Classes:
F04B53/14; F04B9/04; F04B17/05; F04B39/00; F04B53/00; F16C5/00
Domestic Patent References:
| WO2008137515A1 | 2008-11-13 |
Foreign References:
| KR19990079544A | 1999-11-05 | |||
| JP2008539364A | 2008-11-13 |
Attorney, Agent or Firm:
BRADLEY, James, E. (Houston, TX, US)
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