A pressure peak creates a raised pressure differential on the throttle arrangement, forcing the elastic throttle ring against the sliding surface of a piston rod and creating a tighter seal.

This ensures that the pressure peak cannot be propagated on to a sealing ring downstream of the throttle arrangement.

The movement from the first state to the second state lowers a level of pressure or dampens a pressure spike in the body conduit.

The construction enables the die cushion pressure to be controlled with good follow-up performance in response to a die cushion pressure command and also enables occurrence of surge pressure to be prevented.

The invention is characterized in that a pressure peak reducer (40) is connected upstream of a feed region (32) of the intake valve (22), said reducer being configured for reducing the pressure of a pressure wave occurring in the feed region (32).

The peak air pressure and the rising speed of it is reduced due to the elastic accumulated energy action of the outer piston.

Or lock the trigger on the wand and attach a higher pressure tip.

At this time, a pressure relief valve (46) is preset in anticipation of the packing stage, to prevent a pressure spike during the transition period.

A Ventilation Device (10) and Method for providing ventilation to a user by varying the peak inspiration pressure parameters.

The pressure tip pushes regular blood away from the area so only the pigment is treated.

The output torque is increased due to the rearward shift of the peak air pressure, thereby the efficiency and the performance of engine are improved.

Since the filter cake particles do not invade the well bore, no high pressure spike occurs during the removal of the filter cake.