| 摘要 |
<p>PCT No. PCT/EP86/00376 Sec. 371 Date Mar. 2, 1987 Sec. 102(e) Date Mar. 2, 1987 PCT Filed Jun. 25, 1986 PCT Pub. No. WO87/00239 PCT Pub. Date Jan. 15, 1987.A method is proposed for operating an internal combustion engine provided with gas exchange valves in which the gas exchange valves are maintained in their open and closed positions by the holding force of magnets. When internal pressure within a cylinder increases sharply during the combustion process the holding force for maintaining the valve in its closed position is reduced.</p> |
