JPS5769321A - Flow rate controlling method - Google Patents

Flow rate controlling method

Info

Publication number
JPS5769321A
JPS5769321A JP14322780A JP14322780A JPS5769321A JP S5769321 A JPS5769321 A JP S5769321A JP 14322780 A JP14322780 A JP 14322780A JP 14322780 A JP14322780 A JP 14322780A JP S5769321 A JPS5769321 A JP S5769321A
Authority
JP
Japan
Prior art keywords
pulse
circuit
solenoid
converted
flow rate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14322780A
Other languages
Japanese (ja)
Inventor
Nobuyuki Nakamura
Takeshi Kondo
Fumitaka Ando
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pacific Industrial Co Ltd
Original Assignee
Pacific Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pacific Industrial Co Ltd filed Critical Pacific Industrial Co Ltd
Priority to JP14322780A priority Critical patent/JPS5769321A/en
Publication of JPS5769321A publication Critical patent/JPS5769321A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Flow Control (AREA)

Abstract

PURPOSE:To reduce the cost of a device, by controlling the flow rate by means of a solenoid two-way valve which opens and closes according to the number of revolutions of a rotary shaft. CONSTITUTION:If the number of revolutions of a rotary shaft is within a prescribed range, a detecting circuit 9 delivers an extremely small sawtooth waveform. This sawtooth waveform is converted into the shaped pulses of small intervals through a pulse converting circuit 10. This pulse is converted into a pulse that can follow the operation of a solenoid two-way valve through a converting circuit 12. On the other hand, the pulse having a certain time interval of T seconds which is set previously is continuously oscillated from a pulse generating circuit 11. This pulse and the pulse converted through the circuit 12 are converted into a pulse of time interval t' according to the number of revolutions through an AND circuit in the circuit 12. This pulse opens and closes a solenoid coil 14 of the solenoid two-way valve through a driving circuit 15. Accordingly, the solenoid two-way opens for the time t' during the interval T seconds to realize a linear control of flow rate in accordance with the number of revolution of the rotary shaft.
JP14322780A 1980-10-13 1980-10-13 Flow rate controlling method Pending JPS5769321A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14322780A JPS5769321A (en) 1980-10-13 1980-10-13 Flow rate controlling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14322780A JPS5769321A (en) 1980-10-13 1980-10-13 Flow rate controlling method

Publications (1)

Publication Number Publication Date
JPS5769321A true JPS5769321A (en) 1982-04-28

Family

ID=15333848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14322780A Pending JPS5769321A (en) 1980-10-13 1980-10-13 Flow rate controlling method

Country Status (1)

Country Link
JP (1) JPS5769321A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4517519Y1 (en) * 1969-12-17 1970-07-17
JPS52114883A (en) * 1976-03-22 1977-09-27 Nippon Denshi Kagaku Co Ltd Fluid flow rate control apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4517519Y1 (en) * 1969-12-17 1970-07-17
JPS52114883A (en) * 1976-03-22 1977-09-27 Nippon Denshi Kagaku Co Ltd Fluid flow rate control apparatus

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