Abstract: A valve mechanism system in a hydraulic rocker arm for a combustion engine includes a check valve spring, a check valve ball and a control piston. The spring contacting the ball are arranged in a seat in a recess in the arm. The recess has a first opening to a rocker arm channel connected to a hydraulic element and a second opening to a rocker arm oil supply via a second channel. The piston has a first end with a pin axially aligned with the piston arranged in contact with the ball on the opposite side of the ball from the spring. The ball is movable between a first position allowing oil to flow to and from the oil supply and a second position stopping oil from flowing between the two channels. A control piston spring is arranged on a second end of the piston such that it biases the piston towards the ball.

Abstract: A valve mechanism system in a hydraulic rocker arm (1) for a combustion engine comprises a check valve spring (2) and a check valve ball (3). Said spring (2) is arranged to be in contact with the check valve ball (3) and said spring (2) and ball (3) are arranged in a seat (4) in a recess (5) in the rocker arm (1). The recess (5) has a first opening (6) to a rocker arm channel (7) connected to a hydraulic element and a second opening (8) to a rocker arm oil supply via a second channel (9). The system further comprises a control piston (10) having a first end with a pin (11) axially aligned with the control piston (10) arranged in contact with said check valve ball (3) on the opposite side of the check valve ball (3) from the check valve spring (2). The check valve ball (3) is movable between a first position allowing oil to flow to and from the oil supply and a second position stopping oil from flowing between the two channels (7, 9).

Abstract: An apparatus for collecting and salvaging blood includes: a first chamber with a below atmosphere internal pressure for continuous collection of blood through an inlet port; a second chamber for receiving blood from the first chamber through a connection channel; a channel valve manually controllable to close the connection channel; and a control for simultaneously controlling the channel valve and the internal pressure of the second chamber between an internal pressure corresponding to the internal pressure of the first chamber and ambient air pressure, wherein the control is arranged to provide an internal pressure corresponding to the internal pressure of the first chamber to the second chamber through a passageway separated from the connection channel for providing blood from the first chamber to the second chamber.

Abstract: An apparatus for collecting and salvaging blood is disclosed, comprising: a first chamber for collecting blood through an inlet port; a second chamber for receiving blood from the first chamber through a connection channel and a channel valve manually controllable to close the connection channel. Further, the apparatus comprises a control means for simultaneously controlling the channel valve and the internal pressure of the second chamber. Still further, a lipid separator is arranged in the second chamber for separating the blood from lipids before the release through the release port. By the arrangement of the lipid separator in the second chamber, it is possible to provide a very efficient separation and cleaning of the blood, and to allow release of the separated lipids and other buoyant substances from the chamber when the concentration is too high. Consequently, the apparatus could be used during an extended period of time, and could also be used for repeated re-use.