| 摘要 |
PURPOSE:To follow the compressor capacity to the load variation by making a small hole in a slide piston such that the positive exhaustion is performed through said small hole when a slide valve moves under 100% load thereby making the operational time of the slide valve constant. CONSTITUTION:A small relief hole 15 is made in a piston 7 to satisfy the condition an oil supply hole 13 < oil exhaust hole 14 + relief hole 15 and an oil supply hole 13 > relief hole 15. Consequently electromagnetic valves 9, 10 will close under high load (100% load). Since the oil pressure to a cylinder chamber 11a will stop, the discharge pressure applied on a slide valve 5 will overcome the bias force of a spring 8 to move the slide valve 5 to the left and stops at the left side to perform the 100% load operation. Here the oil pressure in the cylinder chamber 11a is exhausted through a relief hole 15 thereby the slide valve 5 will move smoothly and the compressor capacity can follow to the load variation. |
