WO2020213770A1 - Actionneur de cire doté d'une structure à double ressort et dispositif de récupération de chaleur d'échappement le comprenant - Google Patents

Actionneur de cire doté d'une structure à double ressort et dispositif de récupération de chaleur d'échappement le comprenant Download PDF

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Publication number
WO2020213770A1
WO2020213770A1 PCT/KR2019/004745 KR2019004745W WO2020213770A1 WO 2020213770 A1 WO2020213770 A1 WO 2020213770A1 KR 2019004745 W KR2019004745 W KR 2019004745W WO 2020213770 A1 WO2020213770 A1 WO 2020213770A1
Authority
WO
WIPO (PCT)
Prior art keywords
wax
spring
withdrawal pin
withdrawal
exhaust gas
Prior art date
Application number
PCT/KR2019/004745
Other languages
English (en)
Korean (ko)
Inventor
강종화
박홍균
Original Assignee
세종공업 주식회사
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 세종공업 주식회사 filed Critical 세종공업 주식회사
Publication of WO2020213770A1 publication Critical patent/WO2020213770A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/161—Silencing apparatus characterised by method of silencing by using movable parts for adjusting resonance or dead chambers or passages to resonance or dead chambers
    • F01N1/163—Silencing apparatus characterised by method of silencing by using movable parts for adjusting resonance or dead chambers or passages to resonance or dead chambers by means of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/0205—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/02—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present invention relates to a wax actuator for operating an on/off valve that opens and closes a flow path of exhaust gas, and an exhaust heat recovery device having the same.Even if the wax is excessively thermally expanded, the maximum stroke of the push rod can be constantly maintained, thereby damaging parts. It relates to a wax actuator capable of preventing concerns and an exhaust heat recovery device having the same.
  • the vehicle warms up and heats the engine at the initial start according to the driving condition
  • the thermoelectric power generation stage is performed when the vehicle is running
  • the bypass stage is performed when the vehicle goes up a slope or speeding.
  • the exhaust heat recovery device of a vehicle refers to a device that recovers exhaust heat discarded after combustion of the engine and uses it for warming up the engine, warming up the transmission, or transmitting the recovered heat energy to the air conditioner to heat the interior of the vehicle.
  • the coolant can be heated by using high-temperature exhaust gas during initial start-up, thereby reducing the preheating time of the engine, thereby improving fuel efficiency and reducing exhaust gas.
  • Pollutants discharged from the vehicle are most often discharged during idling before the engine is warmed up.
  • pollutants discharged from the vehicle can be reduced.
  • the coolant heated through the exhaust heat recovery device rapidly increases the temperature of the engine coolant and transmission oil, thereby reducing friction inside the engine and transmission, and obtaining the effect of fast indoor heating in winter.
  • a typical conventional exhaust heat recovery apparatus has a structure for rotating the bypass valve by separately providing a valve actuator outside the heat exchanger and a bypass passage opened and closed through a bypass valve.
  • the valve actuator is generally configured to open and close the bypass valve according to the temperature of the coolant.
  • the valve actuator closes the bypass valve when the coolant temperature is less than 80°C so that the exhaust gas heats the coolant while passing through the heat exchanger, and opens the bypass valve when the coolant temperature is 80°C Can be discharged as it is without going through a heat exchanger.
  • the valve actuator applied to the conventional exhaust heat recovery device is configured to increase or decrease the rotation amount of the bypass valve according to the temperature of the cooling water.
  • the bypass valve is excessively rotated to There is a disadvantage that damage to the bypass valve may be caused.
  • the bypass valve is set to completely close the bypass passage when the coolant temperature reaches the maximum value, damage to the bypass valve due to overheating of the coolant can be prevented, but in this case, the bypass valve is There is a problem in that some exhaust gas passes through the heat exchanger because the bypass passage is not completely closed.
  • FIG. 1 is an exploded perspective view of a conventional exhaust heat recovery device
  • FIG. 2 is a cross-sectional view showing the internal configuration of a wax actuator included in a conventional exhaust heat recovery device.
  • a conventional exhaust heat recovery apparatus includes a heat exchanger 10 that heats coolant with exhaust heat of exhaust gas, and exhaust gas discharged from the engine of the vehicle flows inside but exhausts the inside.
  • An exhaust gas housing 20 mounted so that gas communicates with the heat exchanger 10, a valve assembly 30 installed in the exhaust gas housing 20 to control a flow path of exhaust gas, and the valve assembly (
  • a wax actuator 40 having a push rod 41 that rotates 30 is provided as a basic component, but the valve assembly 30 is coupled to the exhaust gas housing 20 in a rotatable structure to allow exhaust gas flow.
  • the rotating shaft 31 rotates integrally with the valve controlling the path, and is fixedly coupled to one side of the rotating shaft 31 protruding outside the exhaust gas housing 20 to rotate integrally with the rotating shaft 31
  • the spring holder 32 is inserted, the valve return spring 33 for applying a rotational elastic force to the spring holder 32, and the end of the rotation shaft 31 is inserted so as to pass through the center of the rotation shaft 31 and
  • a retainer 36 inserted between the cam return springs 35 and a cam cover 37 mounted at the end of the rotating shaft 31 passing through the rotating cam 34 are included.
  • a cam return spring 35 and a retainer 36 must be installed inside the spring holder 33, and a rotating cam and a cam at the end of the rotating shaft 31 Since the cover 37 or the like must be mounted, there is a problem that the configuration of the valve assembly 30 is complicated and thus the risk of failure increases.
  • the conventional exhaust heat recovery device absorbs the excessive pull-out displacement amount of the push rod 41 with a spring, but cannot prevent the excessive pull-out of the push rod 41 itself, so the rotation cam 35 ) And the cam return spring 35 is inevitably damaged.
  • the present invention has been proposed in order to solve the above problems, and even if the wax is excessively expanded, a wax actuator capable of preventing a phenomenon in which excessive force is applied to the valve because the push rod is not drawn out beyond a preset stroke, and
  • An object of the present invention is to provide an exhaust heat recovery device having the same.
  • the wax actuator according to the present invention for achieving the above object includes a wax chamber filled with wax, a pull-out pin mounted on the wax chamber to protrude when the internal pressure of the wax chamber is increased, and the wax An inner case covering a portion of the chamber to which the withdrawal pin is mounted and having an inner space extending in the withdrawal direction of the withdrawal pin; An inner spring installed inside the inner case to apply an elastic force to the withdrawal pin in a direction in which the withdrawal pin is drawn into the wax chamber, and the wax chamber to cover a portion of the wax chamber where the inner case is mounted.
  • the spring constant is set large.
  • a seating plate mounted inside the inner case in a structure that is seated at the end of the withdrawal pin and reciprocates along the withdrawal direction of the withdrawal pin, and the inner spring has one end in the longitudinal direction seated on the seating plate. The other end in the longitudinal direction is applied as a coil spring seated on the inner surface of the end end of the inner case.
  • the end of the withdrawal pin is formed in a convex spherical surface, and the seating plate has a concave portion in contact with the end of the withdrawal pin so as to make surface contact with the end of the withdrawal pin.
  • a stepped jaw on which the edge of the mounting plate is mounted is formed.
  • a flange portion is formed at an end of the inner case opposite to the wax chamber, and the outer spring is a coil spring whose one end in the longitudinal direction is seated on the flange and the other end in the longitudinal direction is seated on the inner surface of the end end of the outer case.
  • An exhaust heat recovery apparatus includes: a heat exchanger for heating cooling water with exhaust heat of exhaust gas; An exhaust gas housing through which exhaust gas discharged from the engine of the vehicle flows; A rotating shaft coupled to the exhaust gas housing in a rotatable structure with one side in the longitudinal direction protruding out of the exhaust gas housing, and the exhaust gas introduced into the exhaust gas housing by being coupled to rotate integrally with the rotating shaft to heat exchange An opening/closing valve for guiding the flow direction of exhaust gas to be introduced into or bypassed, a spring holder fixedly coupled to one side in the longitudinal direction of the rotation shaft to rotate integrally with the rotation shaft, and a rotational elastic force applied to the spring holder.
  • a valve assembly having a valve return spring; A wax actuator configured as described above; including, when the pressure in the wax chamber increases and the withdrawal pin is withdrawn, the push rod is withdrawn to rotate the spring holder.
  • FIG. 1 is an exploded perspective view of a conventional exhaust heat recovery device.
  • FIG. 2 is a cross-sectional view showing the internal structure of a wax actuator included in a conventional exhaust heat recovery device.
  • FIG 3 is an exploded perspective view of an exhaust heat recovery apparatus equipped with a wax actuator according to the present invention.
  • FIG. 4 is a longitudinal cross-sectional view of the wax actuator according to the present invention.
  • 5 to 7 are cross-sectional views showing the operation of the exhaust heat recovery apparatus according to the present invention.
  • FIG. 3 is an exploded perspective view of an exhaust heat recovery apparatus equipped with a wax actuator according to the present invention
  • FIG. 4 is a longitudinal sectional view of the wax actuator according to the present invention.
  • the operation of the on/off valve 320 for selectively controlling the flow direction of exhaust gas is performed by the push rod 470 of the wax actuator 400, but the wax pressure is The biggest feature is that the push rod 470 is configured not to be pulled out beyond a preset distance even if it is excessively high.
  • the exhaust heat recovery apparatus includes a heat exchanger 100 for heating coolant with exhaust heat of exhaust gas, an exhaust gas housing 200 in which exhaust gas discharged from an engine of a vehicle flows inside, and an internal wax.
  • the wax actuator 400 has the greatest feature of construction in that it is configured such that the stroke distance of the push rod 470 is limited.
  • valve assembly 300 is coupled to the exhaust gas housing 200 in a rotatable structure, but one side in the longitudinal direction protrudes to the outside of the exhaust gas housing 200, and the rotation shaft 310 ) And integrally rotated to guide the flow direction of the exhaust gas so that the exhaust gas introduced into the exhaust gas housing 200 flows into or bypasses the heat exchanger 100 (Fig.
  • valve assembly 300 is substantially equally applied to a conventional exhaust heat recovery device, and a detailed description of the structure and operation principle of the valve assembly 300 is omitted. do.
  • the wax actuator 400 included in the exhaust heat recovery device according to the present invention is filled with wax so that the force applied to the on/off valve 320 does not increase excessively even if the pressure of the wax increases as mentioned above.
  • a wax chamber 410, a withdrawal pin 420 mounted on the wax chamber 410 to protrude when the internal pressure of the wax chamber 410 is increased, and the withdrawal pin 420 of the wax chamber 410 ) Is installed inside the inner case 430, which covers a portion where the withdrawal pin 420 is attached and has an inner space extending in the withdrawal direction of the withdrawal pin 420, and is installed inside the inner case 430 so that the withdrawal pin 420 is
  • the inner spring 450 for applying an elastic force to the withdrawal pin 420 in a direction leading into the chamber 410, and the wax to cover a portion of the wax chamber 410 where the inner case 430 is mounted.
  • An outer K that is integrally coupled with the chamber 410 and has an inner space extending in the withdrawal direction of the withdrawal pin 420, and is installed in the outer case 460 so that the inner case 430 is the wax chamber.
  • the withdrawal pin 420 becomes a wax chamber ( 410) is drawn out to press the inner spring 450, the inner spring 450 presses the inner case 430, and the inner case 430 compresses the outer spring 480 while pressing the push rod ( 470) is pressed.
  • the inner spring 450 has a higher spring constant than the outer spring 480, so when the withdrawal pin 420 is withdrawn, the inner spring 450 is not compressed and only the outer spring 480 is compressed, and the push rod 470 Is protruded to the outside of the outer case 460, and the spring holder 330 and the rotation shaft 310 coupled thereto are rotated by the push rod 470, and accordingly, the opening/closing valve 320 is an exhaust gas housing ( 200) The opening of the internal exhaust gas flow path (in this embodiment, the opening of the exhaust gas flow flowing into the heat exchanger 100) is blocked.
  • the withdrawal pin 420 directly covers the entire lengthwise one end (the left end in this embodiment) of the inner spring 450
  • the inner spring 450 is compressed while being bent or twisted. 450) is in close contact with the inner surface of the inner case 430 so that normal compression may not be possible.
  • the wax actuator 400 is mounted inside the inner case 430 in a structure capable of reciprocating movement along the withdrawal direction of the withdrawal pin 420 by being seated at the end of the withdrawal pin 420 It may further include a seating plate 440.
  • the inner spring 450 has one end in the longitudinal direction seated on the seating plate 440 and the other end in the longitudinal direction
  • the bar is seated on the inner surface of the end of the inner case 430, and when the withdrawal pin 420 is drawn out to press the seating plate 440, the inner spring 450 may be pressed evenly at one end in the longitudinal direction. Accordingly, there is an advantage that the inner spring 450 can be compressed normally without bending or twisting.
  • the end of the withdrawal pin 420 is formed in a convex spherical surface, and the mounting plate 440 is the withdrawal pin so as to form surface contact with the end of the withdrawal pin 420 It is preferable that the portion in contact with the end of the 420 is formed concave.
  • the inner spring 450 presses the seating plate 440 toward the withdrawal pin 420, and the seating plate 440 is at the end of the withdrawal pin 420
  • the mounting plate 440 may be inclined to one side so that the edge of the mounting plate 440 may be pressed against the inner surface of the inner case 430.
  • the seating plate 440 is not pushed even when the withdrawal pin 420 is pulled out, so that the inner spring 450 is compressed. There is a fear that the phenomenon will not occur.
  • the wax actuator 400 includes the wax chamber 410 of the inner case 430 so that the radial direction of the seating plate 440 is parallel to the radial direction of the inner case 430.
  • a stepped 432 on which an edge of the mounting plate 440 is mounted may be formed on an inner surface opposite to the side.
  • the seating plate 440 which is not subjected to a pressing force from the withdrawal pin 420, has an edge portion seated on the stepped 432 so that the inner case 430 and It is possible to maintain a state in which the radial direction is parallel, and there is an advantage in that it is possible to stably move along the longitudinal direction of the inner case 430 without inclining to any one side when pressed by the withdrawal pin 420.
  • the standard of the stepped jaw 432 is the diameter or the mounting plate 440 ) It is desirable to be appropriately made according to various conditions such as size.
  • the inner case 430 can be returned to the wax chamber 410, so that the inside of the outer case 460 is An outer spring 480 for elastically pressing the inner case 430 toward the wax chamber 410 is mounted, and when the outer spring 480 elastically presses only one of the edges of the inner case 430, the inner case When the 430 returns to the wax chamber 410, it may be inclined or twisted, making it difficult to move normally.
  • the wax actuator 400 can move in parallel with the longitudinal direction of the withdrawal pin 420 when the inner case 430 returns to the initial position, so that the wax chamber of the inner case 430 ( A flange portion 434 is formed at the end of the side opposite to 410, and the outer spring 480 has one end in the longitudinal direction (the left end in this embodiment) is seated on the flange part 434 and the other end in the longitudinal direction ( In this embodiment, the right end) is preferably applied as a coil spring seated on the inner side of the end end of the outer case 460.
  • 5 to 7 are cross-sectional views showing the operation of the exhaust heat recovery apparatus according to the present invention.
  • the inner case 430 is at the wax chamber 410 side as shown in FIG.
  • the push rod 470 is inserted into the outer case 460, that is, the spring holder 330 and the rotation shaft 310 coupled thereto to maintain a state in which it is not rotated. do.
  • the withdrawal output of the withdrawal pin 420 is not transmitted to the push rod 470 so as to solve such a problem.
  • the characteristic that it is configured to be That is, when the withdrawal pin 420 is further withdrawn in the state shown in FIG. 6, the seating plate 440 is pushed and moved by the push rod 470 as shown in FIG. 7 but the withdrawal pin 420 The inner spring 450 is compressed by the withdrawal distance of.
  • the stroke of the withdrawal pin 420 can be absorbed inside the wax actuator 400, so that the conventional exhaust heat shown in FIG.
  • the configuration of the valve assembly 300 is simplified, thereby reducing the manufacturing cost of the valve assembly 300 and improving durability.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Silencers (AREA)

Abstract

L'actionneur de cire de la présente invention comprend : une chambre de cire, dont l'intérieur est rempli de cire; une broche de retrait montée sur la chambre de cire de façon à faire saillie lorsque la pression à l'intérieur de la chambre de cire augmente; un boîtier interne recouvrant la partie de la chambre de cire, sur laquelle est montée la broche de retrait, et ayant un espace interne s'étendant dans la direction dans laquelle la broche de retrait est retirée; un ressort interne installé à l'intérieur du boîtier interne de façon à appliquer une force élastique à la broche de retrait dans une direction telle que la broche de retrait est introduite dans la chambre de cire; un boîtier externe couplé d'un seul tenant avec la chambre de cire de façon à recouvrir la partie de la chambre de cire, sur laquelle le boîtier interne est monté, le boîtier externe ayant un espace interne s'étendant dans la direction dans laquelle la broche de retrait est retirée; un ressort externe installé à l'intérieur du boîtier externe de façon à appliquer une force élastique au boîtier interne dans une direction telle que le boîtier interne est poussé contre la chambre de cire; et une tige de poussée allongée dans la direction longitudinale de la broche de retrait de telle sorte qu'un côté longitudinal de la tige de poussée est couplé au boîtier interne, tandis que l'autre côté longitudinal de celle-ci fait saillie vers l'extérieur du boîtier externe. Le ressort interne a une constante de ressort configurée pour être supérieure à celle du ressort externe.
PCT/KR2019/004745 2019-04-17 2019-04-19 Actionneur de cire doté d'une structure à double ressort et dispositif de récupération de chaleur d'échappement le comprenant WO2020213770A1 (fr)

Applications Claiming Priority (2)

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KR1020190044829A KR102185164B1 (ko) 2019-04-17 2019-04-17 이중스프링 구조의 왁스액추에이터 및 이를 구비하는 배기열 회수장치
KR10-2019-0044829 2019-04-17

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009030569A (ja) * 2007-07-30 2009-02-12 Futaba Industrial Co Ltd 排気熱回収装置
JP2011214529A (ja) * 2010-03-31 2011-10-27 Yutaka Giken Co Ltd 排熱回収装置
JP2016205315A (ja) * 2015-04-27 2016-12-08 株式会社三五 サーモアクチュエータ
KR101732014B1 (ko) * 2016-06-03 2017-05-04 세종공업 주식회사 탄성 개폐식 밸브를 구비하는 배기열 회수장치
US9890681B2 (en) * 2013-07-25 2018-02-13 Yutaka Giken Co., Ltd. Heat exchange device with thermoactuator
JP2019027529A (ja) * 2017-07-31 2019-02-21 株式会社三五 サーモアクチュエータ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5273918B2 (ja) * 2006-12-06 2013-08-28 株式会社 クゼー 感温式アクチュエータ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009030569A (ja) * 2007-07-30 2009-02-12 Futaba Industrial Co Ltd 排気熱回収装置
JP2011214529A (ja) * 2010-03-31 2011-10-27 Yutaka Giken Co Ltd 排熱回収装置
US9890681B2 (en) * 2013-07-25 2018-02-13 Yutaka Giken Co., Ltd. Heat exchange device with thermoactuator
JP2016205315A (ja) * 2015-04-27 2016-12-08 株式会社三五 サーモアクチュエータ
KR101732014B1 (ko) * 2016-06-03 2017-05-04 세종공업 주식회사 탄성 개폐식 밸브를 구비하는 배기열 회수장치
JP2019027529A (ja) * 2017-07-31 2019-02-21 株式会社三五 サーモアクチュエータ

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KR20200122053A (ko) 2020-10-27

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