JPS5757957A - Lock-up controller for automatic change gear - Google Patents

Lock-up controller for automatic change gear

Info

Publication number
JPS5757957A
JPS5757957A JP13300780A JP13300780A JPS5757957A JP S5757957 A JPS5757957 A JP S5757957A JP 13300780 A JP13300780 A JP 13300780A JP 13300780 A JP13300780 A JP 13300780A JP S5757957 A JPS5757957 A JP S5757957A
Authority
JP
Japan
Prior art keywords
lock
gate
cooling water
water temperature
engine cooling
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.)
Granted
Application number
JP13300780A
Other languages
Japanese (ja)
Other versions
JPS597867B2 (en
Inventor
Masaaki Futaki
Masaaki Suga
Hideo Hamada
Sunao Suzuki
Yoshiro Morimoto
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP13300780A priority Critical patent/JPS597867B2/en
Priority to EP81102174A priority patent/EP0037050A3/en
Priority to US06/247,906 priority patent/US4449618A/en
Publication of JPS5757957A publication Critical patent/JPS5757957A/en
Publication of JPS597867B2 publication Critical patent/JPS597867B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Control Of Fluid Gearings (AREA)

Abstract

PURPOSE: To improve the acceleration performance and to prevent the transmission of the vibration due to the variation of torque of an engine, by stopping the lock-up even during the operation in the lock-up area when the engine cooling water temperature is low.
CONSTITUTION: An engine cooling water temperature detecting circuit 33 is constructed with a thermister 34, resistor 38 and a comparator 36 where both of them are connected to + side input terminal. When the engine cooling water temperature is below the setting level, the comparator 36 will produce a H level signal which is inverted to L level by means of NOT gate 39 and supplied to AND gate 32. Consequently AND gate 32 can never produce H level signal to excite a lock-up solenoid 30 thereby the automatic change gear is continuously brought to the converter state.
COPYRIGHT: (C)1982,JPO&Japio
JP13300780A 1980-03-27 1980-09-26 Automatic transmission lock-up control device Expired JPS597867B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP13300780A JPS597867B2 (en) 1980-09-26 1980-09-26 Automatic transmission lock-up control device
EP81102174A EP0037050A3 (en) 1980-03-27 1981-03-23 Lock-up control system for lock-up type automatic transmission
US06/247,906 US4449618A (en) 1980-03-27 1981-03-26 Lock-up control system for lock-up type automatic transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13300780A JPS597867B2 (en) 1980-09-26 1980-09-26 Automatic transmission lock-up control device

Publications (2)

Publication Number Publication Date
JPS5757957A true JPS5757957A (en) 1982-04-07
JPS597867B2 JPS597867B2 (en) 1984-02-21

Family

ID=15094598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13300780A Expired JPS597867B2 (en) 1980-03-27 1980-09-26 Automatic transmission lock-up control device

Country Status (1)

Country Link
JP (1) JPS597867B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58203263A (en) * 1982-05-21 1983-11-26 Nissan Motor Co Ltd Lockup type automatic transmission gear
JPS59106758A (en) * 1982-12-11 1984-06-20 Honda Motor Co Ltd Direct coupling control method for torque converter of automatic transmission gear for vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58203263A (en) * 1982-05-21 1983-11-26 Nissan Motor Co Ltd Lockup type automatic transmission gear
JPS59106758A (en) * 1982-12-11 1984-06-20 Honda Motor Co Ltd Direct coupling control method for torque converter of automatic transmission gear for vehicle

Also Published As

Publication number Publication date
JPS597867B2 (en) 1984-02-21

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