| 摘要 |
<p>PCT No. PCT/CH96/00340 Sec. 371 Date Apr. 1, 1998 Sec. 102(e) Date Apr. 1, 1998 PCT Filed Oct. 1, 1996 PCT Pub. No. WO97/13068 PCT Pub. Date Apr. 10, 1997Method for the stepless regulation of the delivery of a suction valve of the plate-type of construction, comprising a valve plate which is actuated by an electromagnet arranged in a valve catcher, wherein the electromagnet is so controlled that, in a first control phase (11a), the valve plate (3) firmly contacts the valve catcher (6), or a damper plate (4) arranged between the valve catcher (6) and the valve plate (3) and is blocked, and that, in a second control phase, the electromagnet (9) is controlled by a decaying alternating current, in order to demagnetise the valve plate (3), so that the valve plate is released.</p> |
