Title:
USING TORSIONAL ENERGY TO MOVE AN ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2012/135179
Kind Code:
A3
Abstract:
An actuator for varying a compression ratio of an engine by varying by the rotary motion of a control shaft coupled to a variable compression ratio device. The actuator comprising: a housing assembly mounted to the engine; a rotor assembly coupled to the control shaft defining at least one vane separating a chamber in the housing assembly into a first chamber and a second chamber, the vane being capable of rotation to shift the relative angular position of the rotor assembly from a first rotational position associated with a first compression ratio to a second rotational position associated with a second compression ratio; and a control valve moveable to a first position in which torsional energy from the control shaft is permitted to rotate the rotor assembly in a direction from the first rotational position toward the second rotational position and to a second position opposite the first position.
More Like This:
Inventors:
PLUTA CHRISTOPHER J (US)
WING BRAMAN C (US)
SMITH FRANKLIN R (US)
WING BRAMAN C (US)
SMITH FRANKLIN R (US)
Application Number:
PCT/US2012/030679
Publication Date:
November 29, 2012
Filing Date:
March 27, 2012
Export Citation:
Assignee:
BORGWARNER INC (US)
PLUTA CHRISTOPHER J (US)
WING BRAMAN C (US)
SMITH FRANKLIN R (US)
PLUTA CHRISTOPHER J (US)
WING BRAMAN C (US)
SMITH FRANKLIN R (US)
International Classes:
F02D15/02; F02B75/04; F16K3/314; F16K3/316; F16K31/08
Foreign References:
| US20100192915A1 | 2010-08-05 | |||
| US5572959A | 1996-11-12 | |||
| US6604495B2 | 2003-08-12 | |||
| KR20100062723A | 2010-06-10 |
Attorney, Agent or Firm:
BROWN, Michael F. et al. (PC400 M & T Bank Building 118 North Tioga Street - The Common, Ithaca New York, US)
Download PDF: