JPS55118525A - Controlling device for combustion - Google Patents

Controlling device for combustion

Info

Publication number
JPS55118525A
JPS55118525A JP2345779A JP2345779A JPS55118525A JP S55118525 A JPS55118525 A JP S55118525A JP 2345779 A JP2345779 A JP 2345779A JP 2345779 A JP2345779 A JP 2345779A JP S55118525 A JPS55118525 A JP S55118525A
Authority
JP
Japan
Prior art keywords
timer
safety time
tff
safety
timing
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
JP2345779A
Other languages
Japanese (ja)
Inventor
Yoshinori Kudo
Motoshi Miyanaka
Kenji Todo
Norio Tanaka
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2345779A priority Critical patent/JPS55118525A/en
Publication of JPS55118525A publication Critical patent/JPS55118525A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To shorten timing, by providing plural numbers of timer, used in short timing, in series at sequence having long timing.
CONSTITUTION: In the case when firing failure as well get trouble on a timer 3 or gates connected with the timer, but not stop running, TFF (T flip flop) 17 is changed its condition in "1", by expiration of the 2nd safety time which is formed by the 2nd safety timer 4 connected with the timer 3 through a change-over circuit 20 consisted of NAND gates 21, 22 and 23, consequently an ignition device which is connected with terminal 50 through inverter 67, NAND gates 73, 68, and fuel supply divice which ic connected with terminal 51, are stopped. The 1st safety time controlled by timer 3 is got from TFF 13 located at 3rd steps from reference timer 2, but the 2nd safety time is got from TFF 17, consequently the 2nd safety time is longer than the 1st safety time.
COPYRIGHT: (C)1980,JPO&Japio
JP2345779A 1979-03-02 1979-03-02 Controlling device for combustion Pending JPS55118525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2345779A JPS55118525A (en) 1979-03-02 1979-03-02 Controlling device for combustion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2345779A JPS55118525A (en) 1979-03-02 1979-03-02 Controlling device for combustion

Publications (1)

Publication Number Publication Date
JPS55118525A true JPS55118525A (en) 1980-09-11

Family

ID=12111027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2345779A Pending JPS55118525A (en) 1979-03-02 1979-03-02 Controlling device for combustion

Country Status (1)

Country Link
JP (1) JPS55118525A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5649814A (en) * 1979-09-28 1981-05-06 Sanyo Electric Co Ltd Control circuit for combustion unit
US5619654A (en) * 1993-07-05 1997-04-08 Matsushita Electric Industrial Co., Ltd. System for implementing user request by dividing the retrieved corresponding procedure into first command to obtain apparatus name and second command to obtain operation content

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5649814A (en) * 1979-09-28 1981-05-06 Sanyo Electric Co Ltd Control circuit for combustion unit
JPS6345007B2 (en) * 1979-09-28 1988-09-07 Sanyo Electric Co
US5619654A (en) * 1993-07-05 1997-04-08 Matsushita Electric Industrial Co., Ltd. System for implementing user request by dividing the retrieved corresponding procedure into first command to obtain apparatus name and second command to obtain operation content

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