Internal-combustion engines – Engine speed regulator – Open loop condition responsive
Patent
1994-07-19
1996-05-07
Nelli, Raymond A.
Internal-combustion engines
Engine speed regulator
Open loop condition responsive
123361, F02D 700
Patent
active
055136117
ABSTRACT:
A throttle control system includes a pedal (10) and a mechanical linkage , 12, 13) to a casing (6). Stepper motor (5) has a stator mounted on the casing (6), so that as the casing (6) is rotated, it will also move the stator of the stepper motor (5). Stepper motor (5) also controls the position of a shaft (4) which carries a butterfly valve (1) regulating the fuel flow in an internal combustion engine. Position sensor (8) senses angular changes of position between casing (6) and shaft (4). Position changes in shaft (4) resulting from operation of pedal (10) and linkage (11, 12, 13) are signalled to microprocessor (7) which operates motor (5) to provide corrective rotation of shaft (4).
REFERENCES:
patent: 4724811 (1988-02-01), Maisch
patent: 5131364 (1992-07-01), Mann
patent: 5161507 (1992-11-01), Terazawa et al.
patent: 5209207 (1993-05-01), Shitani et al.
patent: 5320076 (1994-06-01), Reppich et al.
patent: 5345907 (1994-09-01), Matsuoka
patent: 5366424 (1994-11-01), Wataya
patent: 5367997 (1994-11-01), Kawamura et al.
patent: 5383431 (1995-01-01), Nishimura et al.
Preliminary Search Report, dated Nov. 3, 1993, French Patent Office.
Nelli Raymond A.
Societe d'Applications Generales d'Electricite et de Mecanique (
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