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SE1850110A1 - A thermostat arrangement for a cooling system for a combustion engine - Google Patents

A thermostat arrangement for a cooling system for a combustion engine

Info

Publication number
SE1850110A1
SE1850110A1 SE1850110A SE1850110A SE1850110A1 SE 1850110 A1 SE1850110 A1 SE 1850110A1 SE 1850110 A SE1850110 A SE 1850110A SE 1850110 A SE1850110 A SE 1850110A SE 1850110 A1 SE1850110 A1 SE 1850110A1
Authority
SE
Sweden
Prior art keywords
radiator
electrically controlled
valve
flow rate
controlled valve
Prior art date
Application number
SE1850110A
Other versions
SE542068C2 (en
Inventor
Ola Hall
Svante Johansson
Zoltan Kardos
Original Assignee
Scania Cv Ab
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 Scania Cv Ab filed Critical Scania Cv Ab
Priority to SE1850110A priority Critical patent/SE542068C2/en
Priority to DE112019000278.3T priority patent/DE112019000278B4/en
Priority to PCT/SE2019/050042 priority patent/WO2019151920A1/en
Publication of SE1850110A1 publication Critical patent/SE1850110A1/en
Publication of SE542068C2 publication Critical patent/SE542068C2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/14—Indicating devices; Other safety devices
    • F01P11/16—Indicating devices; Other safety devices concerning coolant temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2031/00—Fail safe
    • F01P2031/32—Deblocking of damaged thermostat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Temperature-Responsive Valves (AREA)

Abstract

The present invention relates to a thermostat arrangement for a cooling system for a combustion engine (2). The thermostat arrangement comprises an electrically controlled valve (12) configured to distribute a coolant flow rate between a radiator (9) and a radiator bypass line (10) in the cooling system, an actuator (13) configured to move the electrically controlled valve (12) to different valve positions in which it distributes different coolant flow rates in a stepless manner to the radiator (9) and the radiator bypass line (10), and a control unit (14) configured to determine a desired valve position of the electrically controlled valve (12) and to control the actuator (13) such that it moves the electrically controlled valve (12) to said desired valve position. The electrically controlled valve (12) is dimensioned to provide an adjustable coolant flow rate to the radiator (9) up to a certain flow rate limit. The thermostat arrangement comprises an additional valve (15, 16) which is designed to be automatically moved to an open position and provide an additional coolant flow rate to the radiator (9) when a threshold parameter value of the coolant is exceeded.
SE1850110A 2018-01-31 2018-01-31 A thermostat arrangement for a cooling system for a combustion engine SE542068C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE1850110A SE542068C2 (en) 2018-01-31 2018-01-31 A thermostat arrangement for a cooling system for a combustion engine
DE112019000278.3T DE112019000278B4 (en) 2018-01-31 2019-01-23 Thermostat arrangement for a cooling system for an internal combustion engine
PCT/SE2019/050042 WO2019151920A1 (en) 2018-01-31 2019-01-23 A thermostat arrangement for a cooling system for a combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1850110A SE542068C2 (en) 2018-01-31 2018-01-31 A thermostat arrangement for a cooling system for a combustion engine

Publications (2)

Publication Number Publication Date
SE1850110A1 true SE1850110A1 (en) 2019-08-01
SE542068C2 SE542068C2 (en) 2020-02-18

Family

ID=67478451

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1850110A SE542068C2 (en) 2018-01-31 2018-01-31 A thermostat arrangement for a cooling system for a combustion engine

Country Status (3)

Country Link
DE (1) DE112019000278B4 (en)
SE (1) SE542068C2 (en)
WO (1) WO2019151920A1 (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57212320A (en) * 1981-06-23 1982-12-27 Nippon Thermostat Kk Controlling device for temperature of cooling liquid
US20040107922A1 (en) * 2002-12-06 2004-06-10 Daimler Chrysler Corporation Engine cooling system thermostat bypass for dual temperature control
JP2005127217A (en) * 2003-10-23 2005-05-19 Kuzee:Kk Engine cooling device
US20100212612A1 (en) * 2007-05-25 2010-08-26 Frederic Vacca Module For The Cooling Circuit Of An Engine In An Automobile
SE1051083A1 (en) * 2010-10-18 2012-04-19 Scania Cv Ab Arrangements for controlling the temperature of coolant circulating in a cooling system
DE102010062024A1 (en) * 2010-11-26 2012-05-31 Robert Bosch Gmbh Cooling water circuit in a motor vehicle with a failsafe valve
US20140150738A1 (en) * 2012-11-30 2014-06-05 Caterpillar Inc. Cooling system having shock reducing valve
SE1450674A1 (en) * 2014-06-03 2015-12-04 Scania Cv Ab A thermostat device
WO2017034456A1 (en) * 2015-08-25 2017-03-02 Scania Cv Ab Thermostat device
US20170122181A1 (en) * 2014-04-25 2017-05-04 Hitachi Automotive Systems, Ltd. Cooling control device, flow rate control valve and cooling control method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3859307B2 (en) * 1997-05-16 2006-12-20 日本サーモスタット株式会社 Cooling control device for internal combustion engine
CN103867285B (en) * 2014-03-06 2016-06-29 东风富士汤姆森调温器有限公司 retarder cooling system
JP6645059B2 (en) * 2015-07-21 2020-02-12 アイシン精機株式会社 Engine cooling device
JP2017078346A (en) * 2015-10-20 2017-04-27 いすゞ自動車株式会社 diesel engine
CN207848269U (en) * 2017-12-28 2018-09-11 吉林大学 A kind of aqueous medium retarder parallel connection radiator

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57212320A (en) * 1981-06-23 1982-12-27 Nippon Thermostat Kk Controlling device for temperature of cooling liquid
US20040107922A1 (en) * 2002-12-06 2004-06-10 Daimler Chrysler Corporation Engine cooling system thermostat bypass for dual temperature control
JP2005127217A (en) * 2003-10-23 2005-05-19 Kuzee:Kk Engine cooling device
US20100212612A1 (en) * 2007-05-25 2010-08-26 Frederic Vacca Module For The Cooling Circuit Of An Engine In An Automobile
SE1051083A1 (en) * 2010-10-18 2012-04-19 Scania Cv Ab Arrangements for controlling the temperature of coolant circulating in a cooling system
DE102010062024A1 (en) * 2010-11-26 2012-05-31 Robert Bosch Gmbh Cooling water circuit in a motor vehicle with a failsafe valve
US20140150738A1 (en) * 2012-11-30 2014-06-05 Caterpillar Inc. Cooling system having shock reducing valve
US20170122181A1 (en) * 2014-04-25 2017-05-04 Hitachi Automotive Systems, Ltd. Cooling control device, flow rate control valve and cooling control method
SE1450674A1 (en) * 2014-06-03 2015-12-04 Scania Cv Ab A thermostat device
WO2017034456A1 (en) * 2015-08-25 2017-03-02 Scania Cv Ab Thermostat device

Also Published As

Publication number Publication date
DE112019000278T5 (en) 2020-08-27
SE542068C2 (en) 2020-02-18
WO2019151920A1 (en) 2019-08-08
DE112019000278B4 (en) 2024-03-14

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