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WO2014129985A1 - Construction de vanne thermostatique à commande cartographique et chauffée électriquement pour moteur à combustion interne - Google Patents

Construction de vanne thermostatique à commande cartographique et chauffée électriquement pour moteur à combustion interne Download PDF

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Publication number
WO2014129985A1
WO2014129985A1 PCT/TR2013/000092 TR2013000092W WO2014129985A1 WO 2014129985 A1 WO2014129985 A1 WO 2014129985A1 TR 2013000092 W TR2013000092 W TR 2013000092W WO 2014129985 A1 WO2014129985 A1 WO 2014129985A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrically heated
thermostat
wax
heater
piston
Prior art date
Application number
PCT/TR2013/000092
Other languages
English (en)
Inventor
Faruk UNLUASLAN
Original Assignee
Kirpart Otomotiv Parcalari A.S.
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 Kirpart Otomotiv Parcalari A.S. filed Critical Kirpart Otomotiv Parcalari A.S.
Priority to DE212013000129.0U priority Critical patent/DE212013000129U1/de
Priority to PCT/TR2013/000092 priority patent/WO2014129985A1/fr
Publication of WO2014129985A1 publication Critical patent/WO2014129985A1/fr

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
    • F01P7/167—Controlling of coolant flow the coolant being liquid by thermostatic control by adjusting the pre-set temperature according to engine parameters, e.g. engine load, engine speed
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
    • G05D23/1921—Control of temperature characterised by the use of electric means characterised by the type of controller using a thermal motor

Definitions

  • This invention relates to an electrically heated and map controlled thermostat,- which has a construction for connecting the leads of electrically heated piston to a power connector socket which does not need to disassemble of wax capsule and electrically heated piston while fixing it into the thermostat housing.
  • Wax type thermostat is a solution in order to keep the engine in proper temperature range.
  • Their working method based on an expandable wax compound which is filled in a capsule, sealed from outer environment arid closed with a cover. This subassembly mechanism is called as a Thermal Actuator.
  • Expansion of the wax constitutes a linear movement.
  • Linear movement of piston opens a valve, which oriented the coolant flow towards to radiator to reduce coolant temperature on the system for cooling the engine.
  • wax compound may be heated by an Electrically Heated Piston.
  • Electrically Heated Piston When a voltage is applied to Electrically Heated Piston, it heats wax compound by conduction consequently wax compound expands and it forces to open valve in order to cool down the engine temperature.
  • Thermal Actuator assembly (shown in Fig-3) should be disassembled as shown in Fig-4 and Electrically Heated Piston and remaining sub assembly should be re-assembled through Thermostat Housing for obtaining assembly as shown in Fig-5.
  • Fig-3 shows the initial position of thermal actuator assembly after the production.
  • Fig- 4 shows the separation of Electrically Heated Piston and Wax Capsule then re-assembled into Thermostat Housing as seen in Fig-5. This process is one of the most significant operation in Thermostatic Valve production and may lose its calibration and therefore precision of Thermostatic Valve opening temperature feature.
  • a Thermal Actuator assembly as shown in Fig-1 and Fig-2, is designed in which construction Thermal Actuator assembly can be fixed to thermostat housing without separation of Wax Capsule and Electrically Heated Piston. By this way lose of calibration risk is avoided.
  • FIG. 1 Cross-section view that shows details of Thermostatic Valve in the present invention.
  • FIG. 3 Cross-section view of Thermal Actuator in the prior art that shows state of an assembly just after the production.
  • Figure 4 Cross-section view of Thermal Actuator in the prior art that shows state of disassembled (electrically heated piston separated from wax capsule) situation just before fixing to the thermostat housing.
  • FIG. 5 Cross-section view of final assembled Map Controlled Thermostat in the prior art. Electrically Heated Piston is re-assembled with wax capsule on Thermostat Housing.
  • Wax compound (15) is filled inside wax capsule (2) and it drives the Electrically Heated Piston (1) with expanding by temperature increase caused by engine coolant temperature or Heater (18). Expansion and shrinkage of wax compound (15) inside the wax capsule (2) generates a linear movement of Electrically Heated Piston (1). Movement of the Electrically Heated Piston (1) opens or closes the main valve (14).
  • An Electrically Heated Piston (1) includes a Heater (18) placed in bottom of tube (19).
  • a Heater (18) may be a plain wire resistance or PTC heating element once energized with electrical current should increase its temperature.
  • a main advantage of PTC heating element with respect to plain wire resistance is its self temperature regulation feature and long term endurance against vibration.
  • Opening or closing of the main valve (14) is orienting the coolant flow.
  • spring (13) In case of expansion of wax compound (15), spring (13) is compressed, this occurs on lower frame (12). In case of shrinkage of wax compound (15), spring (13) force pushes the main valve (14) to initial closed position.
  • Cover (3) fixes and seals the open side of wax capsule (2) besides, keeps Electrically Heated Piston (1) to ensure its axial linear movement.
  • Outer sealing element (7) is used to seal from outer environment,
  • Main sealing element (4) is used to keep the wax compound (2) inside wax capsule (1).
  • Inner sealing element (8) prevents the coolant leakage to outside.
  • Thermal Actuator As shown in Fig-6 should be connected with a separate Power Connector Socket (11) through Thermostat Housing (16) without disassembling of Thermal Actuator assembly ; then it should be tightly fixed with fastener (9 and 10).
  • thermal actuator In order to fix the thermal actuator to thermostat housing (16), heater (18) is not being disassembled from wax capsule (2). Thermal actuator is fixed with Power Connector Socket (1 1) through Thermostat Housing (16) and tightened via fastener (9).
  • the present invention which is electrically heated map controlled thermostatic valve construction for an internal combustion engine can be assembled through the thermostat housing without separation of Electrically Heated Piston from the Wax Capsule and allows disassembly of the leads of heating element from power connector socket in order to fix the thermal actuator assembly to thermostat housing without re-calibration requirement and lose of calibration risk comprises the main features with the prior art actuators as below;
  • the present invention is characterized in that it comprises; Electrically heated piston (1) comprises male leads (5 and 6),

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Temperature-Responsive Valves (AREA)

Abstract

La présente invention concerne un thermostat à commande cartographique et chauffé électriquement dont la construction permet un démontage des fils d'un élément de chauffage à partir d'une prise de connecteur de courant afin de fixer l'ensemble actionneur thermique au logement de thermostat sans devoir procéder à un réétalonnage ni risquer une perte d'étalonnage. Le mécanisme d'après la présente invention maintient la température d'un liquide de refroidissement circulant dans les systèmes de refroidissement des moteurs à combustion interne dans une plage définie, ce qui gère les mouvements d'ouverture et de fermeture d'une vanne thermostatique. Un tel mécanisme comprend un piston chauffé électriquement et une capsule de cire qui sont étalonnés à la température d'ouverture et peuvent être assemblés par l'intermédiaire du logement de thermostat sans séparer le piston chauffé électriquement de la capsule de cire.
PCT/TR2013/000092 2013-02-25 2013-02-25 Construction de vanne thermostatique à commande cartographique et chauffée électriquement pour moteur à combustion interne WO2014129985A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE212013000129.0U DE212013000129U1 (de) 2013-02-25 2013-02-25 Elektrisch beheizte, kennfeldgesteuerte Thermostatventilkonstruktion für einen Verbrennungsmotor
PCT/TR2013/000092 WO2014129985A1 (fr) 2013-02-25 2013-02-25 Construction de vanne thermostatique à commande cartographique et chauffée électriquement pour moteur à combustion interne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2013/000092 WO2014129985A1 (fr) 2013-02-25 2013-02-25 Construction de vanne thermostatique à commande cartographique et chauffée électriquement pour moteur à combustion interne

Publications (1)

Publication Number Publication Date
WO2014129985A1 true WO2014129985A1 (fr) 2014-08-28

Family

ID=48325846

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2013/000092 WO2014129985A1 (fr) 2013-02-25 2013-02-25 Construction de vanne thermostatique à commande cartographique et chauffée électriquement pour moteur à combustion interne

Country Status (2)

Country Link
DE (1) DE212013000129U1 (fr)
WO (1) WO2014129985A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156750A (zh) * 2015-09-29 2015-12-16 安徽江淮汽车股份有限公司 一种旁通阀结构

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2853710A1 (fr) * 2003-04-10 2004-10-15 Vernet Sa Ensemble thermostatique a commande electrique et vanne thermostatique equipee d'un tel ensemble
EP1647871A1 (fr) * 2004-10-18 2006-04-19 Vernet S.A. Vanne thermostatique pour un circuit fluide, moteur thermique associé à un circuit de refroidissement comportant une telle vanne, et procédé de fabrication d'une telle vanne

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2853710A1 (fr) * 2003-04-10 2004-10-15 Vernet Sa Ensemble thermostatique a commande electrique et vanne thermostatique equipee d'un tel ensemble
EP1647871A1 (fr) * 2004-10-18 2006-04-19 Vernet S.A. Vanne thermostatique pour un circuit fluide, moteur thermique associé à un circuit de refroidissement comportant une telle vanne, et procédé de fabrication d'une telle vanne

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156750A (zh) * 2015-09-29 2015-12-16 安徽江淮汽车股份有限公司 一种旁通阀结构

Also Published As

Publication number Publication date
DE212013000129U1 (de) 2015-02-12

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