The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 15, 2011
Filed:
Jan. 16, 2007
Mats Hedman, Eskilstuna, SE;
Mats Hedman, Eskilstuna, SE;
Cargine Engineering AB, Helsingborg, SE;
Abstract
A device for the operation of a valve () to the combustion chamber () of a combustion engine, wherein the combustion engine comprises a cylinder, a piston () displacably arranged in the cylinder (), and a combustion chamber () delimited by the cylinder () and the piston (), and said valve (), and wherein the device comprises a valve actuator () that comprises an actuator chamber (), an actuator piston () displacably arranged in the latter and arranged to drive the valve (), and a communication channel () through which a pressure fluid is conducted into the combustion chamber () for the driving of the actuator piston () and, thereby, the valve () in a direction in which the valve () is opened. The communication channel () extends from the combustion chamber () to the actuator chamber (), and said pressure fluid comprises fluid pressurized by the pressure in the combustion chamber ().