Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system
Patent
1990-07-05
1991-01-08
Okonsky, David A.
Internal-combustion engines
Poppet valve operating mechanism
Hydraulic system
123 9016, F01L 112, F01L 124, F02D 1302
Patent
active
049827065
ABSTRACT:
A hydraulic valve control apparatus for internal combustion engines, having a reservoir magnet valve for controlling a volume of fluid in a stroke transmission chamber, in order to control a time cross section of a motor valve, wherein a valve element, embodied as a reservoir piston is loaded by a reservoir spring that serves as a closing spring, and a permanent magnet is provided that keeps the valve element in an open position counter to a force of the closing spring when the magnet coil is without current.
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patent: 3727595 (1973-04-01), Links
patent: 4466390 (1984-08-01), Babitzka et al.
patent: 4674451 (1987-06-01), Rembold et al.
patent: 4696265 (1987-09-01), Nohira
patent: 4716863 (1988-01-01), Pruzan
patent: 4765288 (1988-08-01), Linder et al.
patent: 4889084 (1989-12-01), Rembold
Greigg Edwin E.
Lo Weilun
Okonsky David A.
Robert & Bosch GmbH
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