Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Patent
1984-05-11
1986-02-18
Miller, Carl Stuart
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
123365, F02B 7708, G05G 1100
Patent
active
045705887
ABSTRACT:
Apparatus for controlling the quantity of fuel injected per shot or the beginning of fuel injection in a diesel engine comprises a control rod, which is adjustable by a stepping motor through the intermediary of a resiliently yieldable coupling. The control rod acts to control the injection pump or pumps. In order to provide a structurally simple apparatus which comprises a low-power stepping motor and to eliminate backlash between the cooperating elements of the apparatus, the shaft of the stepping motor carries a camwheel, which is indirectly engaged by the control rod, which is biased by a spring. The resiliently yieldable coupling can be coaxial with the camwheel and adapted to rotate as far as to stop only in one sense of rotation whereas the coupling is rigidly connected to the camwheel for a movement in the other sense of rotation. Alternatively, the coupling can consist of two coupling levers, which are adapted to be pivotally moved apart about a common axis from a position of rest, which is defined by a stop. One of said two coupling levers engages the cam of the camwheel, which is nonrotatably connected to the shaft of the stepping motor. The other of said coupling levers engages an abutment carried by the control rod.
REFERENCES:
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patent: 3572303 (1971-03-01), Becker
patent: 3910134 (1975-10-01), Akagi
patent: 3918318 (1975-11-01), Phillips
patent: 4023550 (1977-05-01), Houston
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patent: 4138601 (1979-02-01), Nakamura
patent: 4331114 (1982-05-01), Karraker
patent: 4351293 (1982-09-01), Hewitt
patent: 4387679 (1983-06-01), Folger
Hack Walter
Herdin Gunther H.
Dubno Herbert
Miller Carl Stuart
Ross Karl F.
Steyr-Daimler-Puch Aktiengesellschaft
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