WO1999010690A1 - Bache de recuperation et element filtrant associe - Google Patents

Bache de recuperation et element filtrant associe Download PDF

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Publication number
WO1999010690A1
WO1999010690A1 PCT/JP1998/003695 JP9803695W WO9910690A1 WO 1999010690 A1 WO1999010690 A1 WO 1999010690A1 JP 9803695 W JP9803695 W JP 9803695W WO 9910690 A1 WO9910690 A1 WO 9910690A1
Authority
WO
WIPO (PCT)
Prior art keywords
receiver tank
filter
filter member
locking
opening
Prior art date
Application number
PCT/JP1998/003695
Other languages
English (en)
Japanese (ja)
Inventor
Soichi Kato
Akihiko Takano
Original Assignee
Zexel Corporation
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 Zexel Corporation filed Critical Zexel Corporation
Publication of WO1999010690A1 publication Critical patent/WO1999010690A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/003—Filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/044—Condensers with an integrated receiver
    • F25B2339/0441—Condensers with an integrated receiver containing a drier or a filter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/16—Receivers
    • F25B2400/162—Receivers characterised by the plug or stop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers

Definitions

  • the present invention relates to a receiver tank used for an automotive cooling cycle, and more particularly to a receiver tank in which functional members such as a filter member and a drying member provided inside the receiver tank can be easily replaced.
  • a laminated heat exchanger is known as a heat exchange medium aggregating device. This heat exchanger is used to prevent a decrease in cooling capacity. Receiver tank is connected.
  • the receiver tank separates the heat exchange medium, which has undergone heat exchange with the external air into a gas-liquid two-phase state, in a heat exchanger, by gas-liquid separation, and functions as a dryer and a filter provided in the receiver tank.
  • This is a device that removes water and foreign substances by using parts, and flows into the regenerator as a liquid single-phase heat exchange medium to circulate the cooling cycle.
  • the heat exchange medium is separated into gas and liquid by the receiver tank and becomes a liquid single-phase heat exchange medium containing no gas medium.
  • the receiver tank has a predetermined internal volume and is provided so that a sufficient amount of liquefied refrigerant can be stored.
  • this receiver tank has functional parts such as a filter and a desiccant inside, these functional parts remove foreign matter and moisture from the medium, and circulate the heat exchange medium in a clean state. To be able to do so.
  • this type of cooling cycle coagulator is used for a filter-dryer or the like.
  • the functional components are removably mounted in the receiver tank by bolts and other members.
  • the functional components such as the filter and the dryer are used for a long period of time, so that the function of removing the impurities or the performance of absorbing moisture and the like is deteriorated, resulting in a decrease in the function. Replacement is required.
  • the invention described in the above-mentioned Japanese Patent Application Laid-Open No. 4131667 discloses a method in which a desiccant is fixed to an upper lid that closes an upper opening of a receiver tank by a bolt so that the desiccant can be detached. This allows for replacement.
  • the invention described in Japanese Patent Application Laid-Open No. 8-219590 is intended to close a lower end opening of a receiver tank and to attach a functional part such as a dryer to a fusible plug having a safety function.
  • the fusible plug is screwed into the cylinder constituting the receiver tank so that replacement is possible.
  • the fusible plug is a melt bolt that is opened at a predetermined pressure and temperature.
  • the fusible plug is provided on the melt bolt.
  • the solder melts and releases the pressure to the outside to prevent damage to the receiver tank and piping.
  • Functional parts having a safety function such as fusible plugs, are generally provided at the lower end of the receiver tank so that they are relatively safe even if refrigerant leaks accidentally.
  • the conventional functional components are receiver tuners. Since the connection is made through other members such as bolts in the rack, the number of parts increases, the replacement work becomes complicated, and the cost cannot be reduced.
  • the conventional liquid receiver has a structure in which a desiccant or the like is held in a single tube, a gas-liquid two-phase heat exchange medium flows through the liquid receiver, and After being separated into two phases, a gas medium and a liquid medium, by the desiccant or the like, there is a possibility that they may be mixed again into the gas-liquid two phases depending on environmental conditions and the like.
  • the flow path of the medium that has flowed into the receiver tank is formed as a simple one-way linear path, and a structure in which a desiccant or the like is provided in the middle of this path.
  • a structure in which a desiccant or the like is provided in the middle of this path.
  • an object of the present invention is to provide a receiver tank capable of facilitating replacement of functional components such as a filter and a dryer mounted inside the receiver tank and improving gas-liquid separation performance.
  • the receiver tank 90 and the heat exchanger (condenser) 91 are connected via a pipe 92, and the receiver tank 90 is provided for each vehicle.
  • the installation space was secured, and pipes with unique shapes were set for each vehicle.
  • the receiver tank and condenser are integrated, and the receiver section is made smaller by reducing the diameter of the receiver section.
  • a double-tube structure is adopted. A battan has been devised.
  • an object of the present invention is to provide a filter member of a receiver tank which can be applied to a receiver tank having a double-tube structure, can be easily assembled with a filter and a desiccant, and can be easily replaced.
  • the invention described in claim 1 of the present application is directed to a tank for storing a liquid refrigerant inside a vertically long hermetic container having an inlet portion and an outlet portion for the liquid refrigerant,
  • An opening is formed in the upper end of the receiver tank, and a locking member is detachably locked in the opening to be hermetically sealed, and contacts the locking member to remove impurities in the refrigerant.
  • the receiver tank has a configuration in which a dryer having a drying material provided therein is attached to the filter member.
  • the locking member is located at the opening at the upper end of the receiver tank. If the filter member and the dryer are detachably locked and are provided in contact with the locking member, the filter member and the dryer etc. are attached after the cohesion cycle such as the receiver tank is attached to the vehicle body.
  • the screw connection between the receiver tank and the locking member is released, and the locking member is removed, whereby a filter member and a dryer that come into contact with the locking member from the upper part of the vehicle body. That is, it is possible to easily replace a functional component having a foreign matter removing or moisture removing function, and to eliminate the troublesome work of diving under a vehicle body and replacing a functional component as in the related art, thereby improving workability. Can be improved.
  • the invention described in claim 2 of the present application is the invention according to claim 1, wherein the opening at the upper end of the receiver tank is brazed with a ring-shaped edge member having an internal thread portion on the inner periphery.
  • the receiver tank has a configuration in which a locking member is detachably screwed to the edge member.
  • the locking member provided with the filter member and the desiccant is screwed and locked to the receiver tank, thereby facilitating the attachment and detachment of the locking member, and the filter member and the drying agent. Replacement of functional components such as chemicals can be simplified.
  • the invention described in claim 3 of the present application is directed to a receiver tank that includes an inlet and an outlet for a liquid coolant in a vertically long sealed container and stores the liquid coolant therein.
  • the sealed container is formed by inner and outer double pipes, the upper parts of these double pipes are provided so as to communicate with each other, and the lower part is provided non-communicatively.
  • the outlet portion is provided so as to communicate with a flow passage formed between the double pipes when inserted.
  • a lower tank provided at the lower end of the pipe so as to communicate with the inside of the inner pipe,
  • An opening is formed in the upper end of the receiver tank, and a locking member is detachably locked in the opening to be hermetically sealed.
  • a filter member is provided in contact with the member to remove impurities in the coolant,
  • a receiver tank having a configuration in which a dryer having a drying material provided therein is attached to the filter member.
  • the receiver tank is formed of a double pipe, and a filter member for removing impurities in the refrigerant is provided at the upper communication portion of the double pipe in contact with the locking member.
  • the dryer is housed inside the inner tube.
  • the heat exchange medium that has flowed into the inside of the double pipe from the inlet portion and once rises flows through the filter member at the upper communication portion, descends in the inner pipe containing the dryer, and is separated into gas and liquid.
  • the filter member and the dryer are provided along the flow path of the refrigerant, the gas medium and the liquid medium can be used without mixing the gas-liquid two-phase heat exchange medium taken in from the inlet portion again. This can improve the gas-liquid separation performance of the receiver tank.
  • the invention described in claim 4 of the present application has a vertically long shape in which refrigerant separation in a gas-liquid mixed state is performed, and an inner pipe for storing the liquid refrigerant after the gas-liquid separation inside and an upper part of the outer pipe communicate with each other.
  • the filter member is configured to abut on the upper end of the inner pipe to remove impurities in the refrigerant, and the filter member is aligned with the upper end opening of the pipe in the receiver tank.
  • a configuration in which the other end is brought into contact with the end of the inner pipe and the other end is pressed against a locking member which is locked to an upper end opening of the outer pipe of the receiver tank, and is held between the inner pipe and the locking member.
  • the double-tube receiver tank forms a sufficiently long refrigerant flow path that rises and then descends by the inner and outer double tubes, so that the gas-liquid two-phase heat exchange medium can be used.
  • the performance of gas-liquid separation can be improved, and the liquefied refrigerant can be stored in the lower part of the non-communicating receiver tank.
  • the separated gaseous refrigerant can be held in the upper part of the tank, and the liquid refrigerant that has flowed down can be stored in the lower part of the tank, so that the refrigerant separation performance can be improved without using a special seal member or the like. It has the advantage that it can be.
  • the present invention by providing a filter member in contact with the upper end portion of the inner pipe, foreign substances in the refrigerant are removed before the refrigerant flows between the desiccants installed inside the inner pipe. It can separate clean liquid refrigerant.
  • the filter member abutting on the upper end of the inner tube is pressed against the locking member locked on the opening of the receiver tank and is sandwiched between the upper end of the inner tube and the locking member, for example, a bolt It can be assembled in the receiver tank without using other components such as the above, so that complicated processes can be omitted, the number of manufacturing steps can be reduced, and the filter member can be easily replaced.
  • the invention described in claim 5 of the present application is the invention according to claim 4, wherein the filter member has a double structure of an inner member and an outer member, and the inner member and the outer member have inner and outer members.
  • One or two or more slits for gas-liquid exchange are provided, a filter for removing impurities is sandwiched between the inner member and the outer member, and the filter is pressed and held by the outer member.
  • It is a filter member of the receiver tank having the configuration.
  • the filter member of the present invention has a structure in which the filter is sandwiched by the double structure of the inner member and the outer member, it is easy to assemble, and the outer member presses the filter. Therefore, the filter is compressed, and the function of removing foreign substances such as dust can be improved.
  • a slit is provided in the inner member and the outer member so that sufficient refrigerant exchange is performed between the inner tube and the outer tube.
  • the invention described in claim 6 of the present application is the invention according to claim 4 or 5, wherein the inner member to the outer member constituting the filter member are formed of an elastic member. It is a filter member of the ink.
  • the filter held between the outer member and the inner member can be overpressed by applying the elastic force of the outer member. As a result, it is possible to improve the assembling stability of the filter member and the dust removing function of the filter.
  • the filter member includes an inner member formed into a cylindrical shape, and an outer member that covers the cylindrical shape.
  • the inner member is provided with an opening at one end of a cylindrical shape, a closing portion for closing the other end, and a contact portion at the opening, which is in contact with an upper end of a receiver tank inner tube.
  • a pressure member that is pressed against the locking member of the receiver tank, wherein the outer member is formed in a shape that covers the cylindrical side surface of the inner member. It is a member.
  • the filter member when the filter member is formed in a cylindrical shape, and the filter is sandwiched between the filter member and an outer member that covers the outer peripheral side surface of the cylindrical shape, the filter surface is enlarged, and the inner diameter is increased. Even when a filter member is provided on the inner pipe of a receiver tank with a
  • Filter member Demonstrates a function to remove contaminants at least as high as that of conventional filter members.
  • Filter member can be provided.
  • the contact portion formed on the inner member abuts on the end of the inner pipe of the receiver tank, and the pressing member provided on the closing portion abuts on the locking member, so that the gap between the inner pipe end and the locking member is provided. Since the filter member is sandwiched between the two, the filter member can be provided in the receiver tank without performing complicated assembly using other members such as a bolt.
  • the filter member is formed by a simple assembling process of the inner member, the filter and the outer member. I can do it.
  • the invention described in claim 8 of the present application is the invention according to claim 7, wherein the outer member of the filter member includes two semi-circular members that cover the outer peripheral side surface of the cylindrical inner member. It is a filter member of a receiver tank having a configuration in which a locking portion is formed at the left and right ends of the two semi-circular members so that the two semi-circular members are unevenly matched.
  • the outer member is formed, and the filter is pressed by the outer member by matching the locking portions of the outer member with each other, and is constituted by the inner member, the filter, and the outer member.
  • the filter member can be easily assembled.
  • the invention described in claim 9 of the present application is the invention according to claim 7, wherein the outer member of the filter member is formed by two semicircular arc-shaped members that cover the outer peripheral side surface of the cylindrical inner member.
  • the receiver tank has a configuration in which each one end of the two semicircular arc-shaped members is joined so as to be bendable, and each other end is provided with a locking portion that matches each other in an uneven shape.
  • the filter member can be easily formed with the outer member covered from the outer periphery of the inner member and the filter. Can be assembled.
  • the invention described in claim 10 of the present application is characterized in that, in the invention according to any one of claims 7 to 9, the pressing member provided in the closing portion of the filter member is formed of a member having elasticity.
  • the present invention is a filter member of a receiver tank having a structure in which an engaging portion of a receiver tank or an absorbing portion for absorbing a pressing urging force generated from an inner tube end of a receiver tank is formed.
  • the pressing member provided on the filter member is formed of a member having elasticity and the absorbing portion for absorbing the pressing urging force is provided, the pressing member is generated in the longitudinal direction of the receiver tank.
  • a filter member is provided between the inner pipe end of the receiver tank and the locking member provided at the outer pipe opening to reduce dimensional errors.
  • the fluctuation of the pressing force generated by vibration or the like can be absorbed by the absorbing portion, so that the filter member is detached or displaced. Without this, the filter member is held between the inner pipe of the receiver tank and the locking member.
  • the filter member includes an inner member formed in a U-shaped side surface, and an outer cover for the inner member.
  • the inner member has an opening at the end of the U-shaped side surface, and the inner member has an opening at an end of the U-shaped side, and the opening contacts the upper end of the inner pipe of the receiver tank.
  • a contact member, and the outer member is a filter member of a receiver tank having a configuration in which a pressing member abutting on the locking portion is provided in a locking portion direction closing the outer tube opening of the receiver tank. It is.
  • the inner and outer members By forming the inner and outer members in a U-shaped groove shape on the side, the area of the filter surface can be increased and the inner pipe of the double-pipe receiver tank with a small inner diameter is formed. With a filter member Even in such a case, it is possible to provide a filter member having a function of removing contaminants at least as high as that of a conventional filter member.
  • the filter member can be assembled in a state of being placed over the inner member and the filter, which facilitates assembly. That is, the filter member can be easily formed.
  • the outer member when the outer member is provided with the pressing member, the outer member is deformed via the pressing member to reduce a dimensional error generated in the longitudinal direction of the receiver tank, and the inner pipe end of the receiver tank is provided.
  • the filter member can be provided between the and the locking member provided in the outer tube opening.
  • the invention described in claim 12 of the present application is the invention according to claim 11, wherein the filter member is provided with a concave locking portion for locking an outer member on the inner member,
  • a filter member of a receiver tank having a configuration in which a member is provided with a convex locking portion that matches the concave locking portion.
  • the filter is pressed against the outer member, and the inner member and the outer member are pressed against each other.
  • the filter member is reliably assembled without the filter and the outer member being displaced or coming off.
  • the invention described in claim 13 of the present application is the invention according to any one of claims 7 to 12, wherein the abutting portion that abuts on a receiver tank inner pipe provided on an inner member of the filter member includes the following: Inside This is a filter member of a reservoir tank having a closing portion for closely closing a pipe opening.
  • the filter member is provided with the closing portion that closes the opening of the inner tube of the receiver tank, the refrigerant flowing between the inner tube and the outer tube always flows through the filter member and flows into the inner tube. Therefore, the gas-liquid separation function of the receiver tank can be improved.
  • the invention described in claim 14 of the present application is the invention according to any one of claims 4 to 13, wherein one or two rectangular filters are used as the filter provided in the filter member. It is a finoleta member of the Recino tank.
  • FIG. 3 is a front view of a heat exchanger and a cross-sectional view of a receiver tank according to a specific example of the present invention.
  • FIG. 4 is a perspective view of a filter member according to a specific example of the present invention.
  • FIG. 13 is a perspective view of a filter member according to another embodiment of the present invention.
  • FIG. 8 is a view showing a rib for preventing a desiccant from dropping, which is formed at an inner tube bulging portion of a receiver tank.
  • FIG. 4 is a perspective view showing a filter member according to a specific example of the present invention.
  • FIG. 4 is a plan view showing an outer holder of a filter member according to a specific example of the present invention.
  • FIG. 4 is a side view showing an outer holder of a filter member according to a specific example of the present invention.
  • FIG. 5 is a side view showing a filter member according to a specific example of the present invention.
  • FIG. 9 is a cross-sectional view of a filter member according to another example of the present invention.
  • FIG. 4 is a view showing a state where a filter member is assembled to a receiver tank according to a specific example of the present invention.
  • FIG. 9 is an exploded perspective view showing a filter member according to another specific example of the present invention.
  • FIG. 9 is a view showing a state where a filter member is assembled to a receiver tank according to another specific example of the present invention.
  • FIG. 13 is a view showing a state where a receiver tank is mounted with a capacitor according to a conventional example.
  • Figure 1 shows a front view of the heat exchanger 1 and the receiver tank 2.
  • a plurality of flat tubes 4 and wavy fins 5 are alternately stacked on the heat exchanger 1, and both ends of the stacked flat tubes 4 and 4 are each connected to a header pipe. They are inserted and connected to the tube insertion holes 8, 8.
  • Side plates 9 having a U-shaped cross section are disposed on the upper end and lower end of the laminated flat tubes 4. The openings at the upper and lower ends of the header pipes 6 and 7 are closed by caps 10.
  • a partition plate 11 is provided at a required portion of the header pipes 6 and 7 to divide it into predetermined compartments in the header pipes 6 and 7.
  • one of the header pipes 6 is connected to the receiver tank 2, and the other header pipe 7 not connected to the receiver tank 2 is provided with an inlet joint 12 and an outlet joint 13.
  • An outlet communication hole 14 and an inlet communication hole 15 for flowing the heat exchange medium are formed in the header pipe 6 connected to the receiver tank 2.
  • FIG. 2 is a cross-sectional view showing a state inside the receiver tank 2.
  • the receiver tank 2 is a vertically long hermetic container, and this hermetic container is mainly composed of a double pipe of an inner pipe 16 and an outer pipe 17.
  • the outer pipe 17 is formed in a straight pipe shape having a predetermined diameter and a predetermined length shorter than the header pipes 6 and 7.
  • the inner tube 16 has at its lower end a bulge portion 18 bulging in the direction of the outer tube 17.
  • the outer diameter of the bulge portion 18 is the same as the inner diameter of the outer tube 17. It is formed to be. Further, the expansion of the inner pipe 16 is performed.
  • the portion above the protruding portion 18 is formed so as to have a diameter slightly smaller than the inner diameter of the outer tube 17.
  • the outer tube 17 is manufactured by rolling a plate of a predetermined size on which a filler is clad by press molding or the like.
  • the bulging portion 18 of the inner pipe 16 is press-fitted or pressed into the inner wall of the outer pipe 17 to form a double pipe structure.
  • the upper portion of the inner tube 16 above the bulging portion 18 is formed to have a diameter slightly smaller than the inner diameter of the outer tube 17, and thus flows between the outer tube 17 and the lower tube 16. Road 19 is formed.
  • the lower end of the inner pipe 16 is formed to have a larger diameter than the upper part of the lower end, the inner volume at the lower end is increased, and as described later, the medium in the liquid phase state is formed. To be able to store enough.
  • the inner pipe 16 and the outer pipe 17 are formed so as to communicate with each other at the upper part of the receiver tank 2.
  • the upper end opening of the outer tube 17 is closed by a locking member 20a described later, and the lower end opening is closed by a fusible plug 21.
  • an inlet 24 communicating with the flow passage 19 is formed in the outer tube 17, and an outlet 25 communicating with the outer tube 17 and the inner tube 16 is formed in the bulging portion 18.
  • the receiver tan is provided. Link 2 to header pipe 6.
  • the fusible plug 21 closing the opening at the lower end of the outer pipe 17 is a relief valve for releasing abnormal pressure when the pressure inside the receiver tank rises abnormally for some reason.
  • This relief valve is provided with a through hole in the center of the bolt 21a that communicates with the inside and outside, and solder 21b that melts at 100 ° C to 105 ° C in this hole.
  • a fusible plug 21 called melt bolt 21a having a structure in which the hole is closed.
  • the fusible plug 2 1 rises pressure inside Reshibata ink reaches the melting temperature corresponding to a pressure of about 3 0 kg / cm 2, melting the solder 2 lb from the through hole of the Mel preparative por DOO 2 la After flowing, the high-pressure refrigerant inside the tank is released into the atmosphere through this through-hole, and the pressure inside the receiving tank is reduced, whereby the function of the cycle connected to this tank is reduced. It is configured to protect parts.
  • an edge member 20 b having a female thread portion 20 c in a ring shape on the inner periphery is attached to the upper end portion of the outer tube 17, and the edge member An engaging member 20a is detachably screwed to 20b.
  • the locking member 20a for closing the opening at the upper end of the outer tube 17 has a threaded portion that is screwed into the female screw portion 20c formed on the edge member 20b. Plug. Further, the locking member 20a is mounted between the edge member 2Ob and the edge member 2Ob via two O-rings 29, and the upper end opening of the outer tube 17 is kept airtight with the outside air. It is screwed in.
  • FIG. 3 is a perspective view of the filter member 22.
  • the filter member 22 has a concave portion 22 a that is opened at a lower portion, and an outer peripheral portion of the concave portion 22 a is provided with an upper end portion of the inner pipe 16.
  • a step 22 b corresponding to the opening is formed.
  • a protrusion 22 c protruding upward is formed on the upper surface of the recess 22 a.
  • the filter member 22 is formed of a resin member such as nylon for ventilation. A hole is formed to form the outer shape, and a member having a function of removing impurities such as felt is sandwiched inside.
  • the dryer 23 holding the desiccant therein is formed in a bag shape that fits into the recess 22 a of the filter member 22.
  • the dryer 23 is formed in a bag by a member such as nylon or felt, and holds a desiccant for a refrigerant such as synthetic zeolite, aluminum nagel, silica gel or the like inside the bag.
  • a dryer 23 is fitted into the concave portion 22 a of the filter member 22, and heat-sealed or directly sewn to the filter member 22 to form the filter 23.
  • the filter member 22 is integrated.
  • the suspension member 23a of the dryer 23 is heat-welded or sewn to the concave portion 22a of the filter member 22, and the suspension member 23a is attached.
  • the dryer 23 is attached to the filter member 22 via the filter.
  • the dryer 23 When the filter member 22 and the dryer 23 are inserted into the receiver tank 2, the dryer 23 is housed inside the inner pipe 16, and the stepped portion 2 2 b of the filter member 22 becomes the inner pipe 16. Abuts the upper end of the
  • the locking member 20a is screwed from the upper part of the filter member 22 to the upper end of the outer tube 17 as described above, the locking member 20a is projected from the filter member 22.
  • the filter member 22 and the dryer 23 are held in the receiver tank 2 while the filter member 22 is held between the opening end of the inner pipe 16 and the locking member 20a by pressing the portion 22c. .
  • the filter member 22 is installed in the upper communicating portion between the outer pipe 17 and the inner pipe 16.
  • the locking member as a closing member for the opening at the upper end of the receiver tank, the number of parts can be reduced, and the manufacturing cost can be reduced.
  • FIG. 4 is a perspective view showing another specific example of the filter member.
  • the filter member 28 of the present example has, like the filter member 22, a concave portion 28 a, a step portion 28 b, and a projecting portion 2.
  • the filter member 28 is provided with a groove-like recess 28 d and a handle-like drawer 28 e on the upper end plane of the protrusion 28 c.
  • the drawer portion 28 e is formed so as to be folded and stored in the recess portion 28 d when the filter member 28 is attached to the receiver tank 2.
  • the filter member 28 By providing the filter member 28 with the lead-out portion 28e as described above, the filter member and the dryer can be easily pulled out from the receiver tank when the filter and the dryer are replaced with functional parts.
  • the filter member, the dryer and the locking member provided in the receiver tube having the double pipe structure are described.
  • the filter member, the dryer and the locking member are also provided in the receiver tank having the single pipe structure.
  • FIG. 5 shows a rib 18 a formed integrally with the bulging portion 18 of the inner tube 16.
  • the ribs 18a are provided in a cross shape to prevent the desiccant from dropping below the bulging portion 18.
  • the shape, the number, the position of the ribs 18a, and the like may be appropriately determined.
  • FIG. 6 is a perspective view showing another example of the filter member.
  • the filter member 30 of the present example is formed in a cylindrical shape, and more specifically, is sandwiched between the inner holder 31 as an inner member, the outer holder 40 as an outer member, and the inner and outer members.
  • Filter F that is
  • FIG. 7 is a side view showing the inner holder 31.
  • the inner holder 31 is formed in a cylindrical shape.
  • a plurality of vertically elongated slits 33 are formed on the cylindrical peripheral side surface 3 2 of the inner holder 31, and a portion of the peripheral side surface 32 is formed.
  • a projection 34 having an uneven shape protrudes from the projection.
  • the cylindrical upper end of the inner holder 31 is closed by a closing plate 35 having a diameter once larger than the diameter of the peripheral side surface 32.
  • An opening is formed at the lower end of the cylindrical shape of the inner holder 31, and a contact portion 36 is formed on the outer periphery of the opening to be in contact with the end opening of the inner pipe 16 of the reservoir tank 2. ing.
  • the contact portion 36 includes a contact plate 36 a having the same diameter as the closing plate 35, and a fitting portion 36 b matching the inner diameter of the inner tube 16.
  • the contact plate 36 a A stepped portion 36 is formed between the inner tube 16 and the fitting portion 36b so as to match the inner and outer diameters of the inner tube 16 and to come into close contact with the inner tube 16.
  • the abutment plate 36a is formed in a hollow ring shape so as not to close the opening, and the refrigerant flows through the slit 33 into and out of the inside. Has become.
  • a pressing member 50 described below which is in contact with a locking member 20 for closing an opening of the outer tube 19 of the receiver tank 2, is provided. .
  • FIG. 8 is a plan view of the outer holder 40.
  • FIG. FIG. 9 is a side view of the outer holder 40, and
  • FIG. 10 is a side view showing the filter member 30 in a state where the outer holder 40 is assembled to the inner holder 31.
  • the outer holder 40 is formed of a flat member made of an elastic resin or the like.
  • the outer holder 140 is formed with two semi-circular portions 41, 42 that cover the peripheral side surface 32 of the inner holder 31, and the two circular portions 41, 42 are bent. They are joined by joining portions 44 formed so as to be possible.
  • a plurality of vertically elongated slits 44 are formed on the circumferential side surfaces of the semicircular arc-shaped portions 41 and 42.
  • FIGS. 8 and 9 show a state in which the joint portion 44 is bent.
  • engaging portions 45 and 46 are formed, which are concave and convex so that the ends match each other. That is, the locking portion 45 has concave portions 45 a and 45 c and convex portions 45 b and 45 d formed alternately, and the locking portion 46 has a concave portion 4 of the locking portion 45. Protrusions 46a and 46c are formed at positions facing 5a and 45c, and depressions 46b and 46d are formed at positions facing the protrusions 45b and 45d. ing. That is, the outer holder 40 is formed in a cylindrical shape by fitting the convex portions formed on the locking portions 45 and 46 to each other.
  • the filter F is formed of a member such as felt, and the felt is formed in a rectangular shape that covers the peripheral side surface of the inner holder 31.
  • this rectangular filter F is brought into contact with the projection 34 of the inner holder 31, and the peripheral side surface 32 of the inner holder 31 is caused to make a full turn, so that the other end of the filter F is Again touch the projections 3 4. That is, since the filter F has a certain thickness like a felt or the like, the filter F is formed by the projections 34 of the inner holder 31, the closing plate 35, and the contact plate 36a. Positioning has been performed.
  • the outer holder 40 After covering the filter F on the peripheral side surface 32 of the inner holder 31, the outer holder 40 is covered, and the locking portions 45, 46 of the outer holder 40 are fitted to each other. Then, the assembly of the filter member 30 is completed.
  • the outer member is formed in a shape that covers the cylindrical side surface of the inner member, and the locking portions 45 and 46 are formed. Therefore, the inner holder 31, the filter F and the Outer holder 40 can be easily assembled.
  • the outer holder 40 is formed of an elastic member, the elastic force of the outer holder 40 is applied to cover the filter F, and the filter F can be compressed and clamped to some extent. As a result, the filter assembly 30 is stable in assembly and the filter F dust remover. Performance can be improved.
  • the filter F is provided on the peripheral side surface 3 2 of the inner holder 31, the shape of the filter F is a rectangular shape surrounding the peripheral side surface 32, and the internal shape of the receiver tank 2 is different from the conventional case. Since it is not necessary to cut into a circle or the like in accordance with the size, unnecessary production of scraps and the like can be prevented, and the production cost can be reduced.
  • the outer holder 40 has an example in which two semicircular arc-shaped portions 41 and 42 are joined at a joining portion 44 to be integrated, but as shown in the cross-sectional view of FIG.
  • the outer holder 40 is composed of two semi-circular members 47, 48, and the concave and convex engaging portions 47a fitted to both ends of the semi-circular members 47, 48 respectively. , 48a and 47b, 48b to form the outer holder 40.
  • FIG. 12 is a diagram showing an assembling structure of the filter member 30.
  • the filter member 30 has a fitting portion 36 b of the contact portion 36 fitted into the inside of the inner tube 16, and a stepped portion 36 c to form the inner tube 16. In close contact with the end of
  • the pressing member 50 is pressed against the locking member 20 that closes the opening of the outer pipe 17 of the receiver tank 2.
  • the pressing member 50 formed on the inner holder 31 of the filter member 30 is formed of a member such as an elastic resin, and has a stepped shape 51 a, 5 that expands left and right by one step. 1a is formed.
  • a flat cross-shaped press contact portion 52 that is pressed against the locking member 20 is formed on the uppermost step portion 51 protruding by the step shape.
  • the pressing member 50 when the pressing member 50 is formed in a stepped shape and the pressing member 50 is formed of a member having elasticity, the pressing member 50 is formed stepwise on the left and right. Then, when the press contact portion 52 formed on the protruding portion is pressed, the pressing force can be absorbed by the stepped shape. Therefore, the filter member 30 is pressed against the bottom surface of the locking member 20 and is sandwiched between the inner tube 16 and the locking member 20. Therefore, the filter member 30 can reduce the dimensional error in the longitudinal direction of the receiver tank by the absorbing portion.
  • the fluctuation of the pressing force caused by the vibration can be absorbed by the elastic force of the pressing member 50, and the filter member 30 shifts or comes off.
  • the filter member 30 is held at a predetermined position at the end of the inner tube 16 without being stiff.
  • the filter member 30 By holding the filter member 30 between the inner tube 16 and the locking member 20 in this manner, the inner holder 31 and the outer holder 40 of the filter member 30 are formed. Sufficient refrigerant exchange is performed between the inner pipe 16 and the outer pipe 17 of the receiver tank 2 through the slits 33, 43 provided in the tank, and contaminants in the refrigerant are efficiently removed. To remove clean liquid refrigerant.
  • the filter member 30 is formed in a cylindrical shape, and a filter for removing impurities is provided on the peripheral side surface 32. Therefore, a relatively large filter surface can be provided, and a single-tube receiver can be provided. Even when the filter member 30 is provided in the inner pipe 16 having a smaller diameter of the receiver tank than the tank, the filter member has a function of removing contaminants at least as high as that of the conventional filter member 30. 30 can be provided.
  • the filter member 30 of this example can be held between the inner tube 16 of the receiver tank 2 and the locking member 20 without performing complicated assembly using other members such as bolts.
  • the manufacturing process can be reduced by eliminating complicated labor.
  • replacement of the filter member is facilitated.
  • FIG. 13 is an exploded perspective view showing the configuration of the filter member 60.
  • the filter member 60 of this example has an inner holder 61 having a U-shaped side surface and a filter.
  • a filter F and an outer holder 70 having a U-shaped side surface and covering the inner holder 61 are provided.
  • the inner holder 61 has a side surface 62 formed in a U-shape, and an impurity removing portion 64 having front and back surfaces 63 formed along the U-shape.
  • a plurality of slits 65 are formed on the front and back surfaces 63 of FIG.
  • a contact portion 66 contacting the inner tube 16 is formed at an end opening of the contamination removing portion 64.
  • the contact portion 66 includes a contact plate 66 a that holds the contamination removing portion 64 and a fitting portion 66 b that matches the inner diameter of the inner tube 16.
  • a stepped portion 66 c is formed between 66 a and the fitting portion 66 b so as to match the inner and outer diameters of the inner tube 16 and to come into close contact with the inner tube 16.
  • a hole 66d is formed in the center of the contact plate 66a, and the hole 66d communicates with the inside and outside of the impurity removing section 64 via the slit.
  • a communication pipe 67 is provided. At the lower end of the U-shaped side surface, a concave locking portion 68 into which a convex locking portion 78 of the outer holder 70 described later is fitted is formed.
  • the filter F is cut into a rectangular shape and is covered on the front and back surfaces 63 of the foreign matter removing portion 64 of the inner holder 61.
  • the outer holder 70 has a contaminant removing portion 74 of the same shape that is one size larger than the contaminant removing portion 64 of the inner holder 61. That is, the contaminant removing portion 74 is composed of a U-shaped side surface 72 and front and back surfaces 73, and a plurality of slits 75 are formed on the front and back surfaces 73. Previous A pressing member 80 that is pressed against the engaging member 20 of the receiver tank 2 is provided at the protruding end 73 a of the front and back surface 73.
  • the U-shaped opening of the contaminant removing section 74 is joined to the contact plate 66 a of the contact section 66 of the inner holder 61, and the contact plate 66 a A bonding plate 76 formed in the same shape is provided. Further, at the lower end of the U-shaped side surface 72, there is provided a convex locking portion 78 having a rectangular projection formed on the concave locking portion 68 of the inner holder 61. .
  • the inner holder 61, the filter F and the outer holder 70 are provided such that the filter F is covered on the front and back surfaces 63 of the inner holder 61, and the outer holder 70 is covered from the outside.
  • the filter member 60 is assembled by fitting the convex locking portion 78 of the outer holder 70 into the concave locking portion 68 of 61.
  • the outer holder 70 is formed of an elastic member, and presses and holds the filter F with the outer holder 70.
  • the inner holder 61 is assembled so as to cover the outer holder 70 from above the buinoleta F, the assembling process is simplified.
  • the filter F is compressed to a certain extent by the elastic force of the outer holder 70 and is sandwiched between the inner holder 61 and the outer holder 70, so that the assembly stability of the filter member 20 is improved.
  • the dust removal function of the filter F can be improved.
  • the filter F is provided on the front and back surfaces 63 of the inner holder 61, a rectangular filter F can be used, and the filter F is formed without generating useless scraps and the like. You.
  • the filter member 60 is attached to the inner tube of the receiver tank with a smaller diameter compared to the double tube structure. Even when the filter member is provided, it is possible to provide a filter member exhibiting a function of removing contaminants at least as high as that of a conventional filter member. The structure sandwiched between the inner tube 16 and the locking member 20 will be described.
  • FIG. 14 is a view showing an assembling structure of the filter member 60.
  • the filter member 60 has a fitting 66 b of the contact portion 66 fitted into the inner tube 16, and a stepped portion 66 c formed of the inner tube 16. It comes into close contact with the end.
  • the pressing member 80 is pressed against a locking member 20 that closes the opening of the outer pipe 17 of the receiver tank 2.
  • the dimensional error in the longitudinal direction of the receiver tank can be reduced to some extent by the filter member 60. Further, when the receiver tank 2 is mounted in a vehicle or the like, the change in the pressing force caused by the vibration can be absorbed by the filter member 60, and the filter member 60 is displaced or detached. Can be avoided.
  • the filter member 60 can be sandwiched between the inner tube 16 and the locking member 20, so that the filter member 60 can be connected to the receiver tank without increasing the number of parts. It can be provided.
  • the heat exchange medium flows through the slits 65, 75 and the filter F formed in the inner and outer holders 60, 70, and the extra heat is supplied. Clean liquid Refrigerant can be separated.
  • the filter member of the present invention is sandwiched between the inner pipe of the double tank structure receiver tank and the locking portion, and performs complicated assembly using other members such as a bolt.
  • the filter member of the present invention even when the filter member is provided in the inner pipe having a smaller diameter of the receiver tank having the double pipe structure as compared with the receiver pipe having the single pipe, It is possible to provide a filter member having a function of removing contaminants at least as high as that of a conventional filter member.
  • the filter member of the present invention has a configuration in which the pressing member is provided, it is possible to absorb the elastic force and to reduce the dimensional error of the header tank in the longitudinal direction. In addition, the vibration load when mounted on the vehicle can be reduced. Industrial applicability
  • the present invention is a receiver tank which facilitates replacement of functional components such as a filter and a driver mounted inside the receiver tank and has improved gas-liquid separation performance, and is particularly suitable for a cooling cycle for automobiles. is there.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

Bâche de récupération comprenant un récipient fermé allongé doté d'une entrée (24) et d'une sortie (25) pour réfrigérant liquide, dans lequel ledit réfrigérant est stocké, d'une ouverture formée sur le sommet de la bâche de récupération (2), d'un élément mâle (20a) qui s'engage de manière amovible dans l'ouverture pour la fermer, d'un élément filtrant (22, 28) venant contre ledit élément mâle (20a) de sorte que les impuretés soient enlevées du réfrigérant, et d'un séchoir (23) fixé à l'élément filtrant et contenant un agent de dessication. Le récipient fermé comprend des conduits doubles intérieur et extérieur (16, 17) qui communiquent l'un avec l'autre au niveau des parties supérieures mais ne communiquent pas au niveau de leur partie inférieure et l'élément filtrant (22, 28) est doté de l'élément mâle (20a) dans la zone communicante située au niveau de la partie supérieure des doubles conduits.
PCT/JP1998/003695 1997-08-21 1998-08-20 Bache de recuperation et element filtrant associe WO1999010690A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22506997 1997-08-21
JP9/225069 1997-08-21

Publications (1)

Publication Number Publication Date
WO1999010690A1 true WO1999010690A1 (fr) 1999-03-04

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ID=16823553

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Application Number Title Priority Date Filing Date
PCT/JP1998/003695 WO1999010690A1 (fr) 1997-08-21 1998-08-20 Bache de recuperation et element filtrant associe

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Country Link
WO (1) WO1999010690A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1079186A1 (fr) * 1999-08-27 2001-02-28 Delphi Technologies, Inc. Installation d'assèchement pour condenseur de réfrigération à réservoir intégré
EP1363086A1 (fr) * 2002-05-15 2003-11-19 Sanden Corporation Echangeur de chaleur avec une partie pour contenir une pièce rapportée laquelle y est supportée élastiquement
WO2005050119A2 (fr) * 2003-11-14 2005-06-02 Behr Gmbh & Co. Kg Echangeur thermique et ensemble collecteur-dessiccateur pour echangeur thermique
JP2014102058A (ja) * 2012-11-22 2014-06-05 Fuji Koki Corp アキュムレータ
CN108895729A (zh) * 2018-08-13 2018-11-27 浙江新昌同汽车部件有限公司 一种汽车冷凝器与储液罐的连接结构

Citations (9)

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Publication number Priority date Publication date Assignee Title
JPS572371U (fr) * 1980-06-06 1982-01-07
JPS58108380U (ja) * 1982-01-18 1983-07-23 カルソニックカンセイ株式会社 自動車用空気調和装置のリキツドタンク
JPS6252858U (fr) * 1985-09-20 1987-04-02
JPH036262U (fr) * 1989-06-06 1991-01-22
JPH0372275U (fr) * 1989-11-15 1991-07-22
JPH04113865U (ja) * 1991-03-18 1992-10-06 カルソニツク株式会社 リキツドタンク
JPH0522768Y2 (fr) * 1988-08-18 1993-06-11
JPH0886543A (ja) * 1994-09-16 1996-04-02 Sanyo Electric Co Ltd 冷媒回路の吸着装置
JPH09170854A (ja) * 1995-10-18 1997-06-30 Calsonic Corp リキッドタンクを備えたコンデンサ

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS572371U (fr) * 1980-06-06 1982-01-07
JPS58108380U (ja) * 1982-01-18 1983-07-23 カルソニックカンセイ株式会社 自動車用空気調和装置のリキツドタンク
JPS6252858U (fr) * 1985-09-20 1987-04-02
JPH0522768Y2 (fr) * 1988-08-18 1993-06-11
JPH036262U (fr) * 1989-06-06 1991-01-22
JPH0372275U (fr) * 1989-11-15 1991-07-22
JPH04113865U (ja) * 1991-03-18 1992-10-06 カルソニツク株式会社 リキツドタンク
JPH0886543A (ja) * 1994-09-16 1996-04-02 Sanyo Electric Co Ltd 冷媒回路の吸着装置
JPH09170854A (ja) * 1995-10-18 1997-06-30 Calsonic Corp リキッドタンクを備えたコンデンサ

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1079186A1 (fr) * 1999-08-27 2001-02-28 Delphi Technologies, Inc. Installation d'assèchement pour condenseur de réfrigération à réservoir intégré
EP1363086A1 (fr) * 2002-05-15 2003-11-19 Sanden Corporation Echangeur de chaleur avec une partie pour contenir une pièce rapportée laquelle y est supportée élastiquement
US6935413B2 (en) 2002-05-15 2005-08-30 Sanden Corporation Heat exchanger
WO2005050119A2 (fr) * 2003-11-14 2005-06-02 Behr Gmbh & Co. Kg Echangeur thermique et ensemble collecteur-dessiccateur pour echangeur thermique
WO2005050119A3 (fr) * 2003-11-14 2005-12-08 Behr Gmbh & Co Kg Echangeur thermique et ensemble collecteur-dessiccateur pour echangeur thermique
JP2007513309A (ja) * 2003-11-14 2007-05-24 ベール・ゲーエムベーハー・ウント・コ・カーゲー 熱交換器及び熱交換器のためのレシーバ・ドライヤ・コンポーネント
JP2014102058A (ja) * 2012-11-22 2014-06-05 Fuji Koki Corp アキュムレータ
CN108895729A (zh) * 2018-08-13 2018-11-27 浙江新昌同汽车部件有限公司 一种汽车冷凝器与储液罐的连接结构

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