Flow quantity valve controller and manufacturing method for flow

Details Flow quantity valve controller and manufacturing method for flow Flow quantity valve controller and manufacturing method for flow

1995-03-21

1996-03-26

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

25112911, 318600, F02M 2507, F16K 3104

Patent

active

055012019

ABSTRACT:
A flow quantity valve controller includes a unit for positioning so that a phase of a stepper motor becomes a predetermined phase when a motor shaft making a linear move with rotation of the stepper motor is pulled most into the stepper motor side. When the motor shaft is pulled most into the stepper motor side, a flow quantity valve controller changes a stepper motor drive signal to a drive signal corresponding to a predetermined phase.

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patent: 5094218 (1992-03-01), Everingham et al.
patent: 5129623 (1992-07-01), Lockwood
patent: 5137255 (1992-08-01), Sumida et al.
patent: 5184593 (1993-02-01), Kobayashi
patent: 5351935 (1994-10-01), Miyoshi et al.

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