Title:
HYDRAULIC PUMP WITH SOLID-STATE ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2012/121927
Kind Code:
A3
Abstract:
A hydraulic pump includes a port and a piston assembly fluidically coupled to the port. The piston assembly includes a piston and a solid-state actuator, where a shape change of the solid-state actuator is induced when a field is applied to the solid-state actuator, and where alternating shape changes of the solid-state actuator provide reciprocating movement to the piston.
Inventors:
FRIPP MICHAEL L (US)
DUDLEY JAMES H (US)
DUDLEY JAMES H (US)
Application Number:
PCT/US2012/026896
Publication Date:
November 28, 2013
Filing Date:
February 28, 2012
Export Citation:
Assignee:
HALLIBURTON ENERGY SERV INC (US)
FRIPP MICHAEL L (US)
DUDLEY JAMES H (US)
FRIPP MICHAEL L (US)
DUDLEY JAMES H (US)
International Classes:
F04B17/04; F04B17/03; H02K41/00
Domestic Patent References:
| WO2004032994A2 | 2004-04-22 | |||
| WO2002010590A1 | 2002-02-07 | |||
| WO2003081762A1 | 2003-10-02 |
Foreign References:
| US4804314A | 1989-02-14 | |||
| US20020025260A1 | 2002-02-28 | |||
| GB1240286A | 1971-07-21 | |||
| US2838003A | 1958-06-10 |
Attorney, Agent or Firm:
SWEHLA, Aaron (910 Louisiana StreetHouston, TX, US)
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