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公开(公告)号：JPS61202092A
公开(公告)日：1986-09-06
申请号：JP4406885
申请日：1985-03-06
Applicant: MATSUSHITA ELECTRIC IND CO LTD , MATSUSHITA REFRIGERATION
Inventor： TSUDA YOSHIYUKI , TANAKA HIROYOSHI , ADACHI MASAAKI , AOYAMA SHIGEO , TANNO SATOSHI , KATO KAORU
IPC: F28F1/32
Abstract: PURPOSE:To improve the heat transfer performance and provide a compact, high performance device by disposing slit type or louver type folds-up in the flat fin between heat transmission pipes, said folds-up being open in the direction of air flow, and arranging the root of the folds-up to be at an angle relative to the leading edge of the fin. CONSTITUTION:The flat fin has a folds-up cluster A 13 which are open on its two sides 15a, 15b that face the air flow 12. Said two sides 15a, 15b are parallel to the leading edge of the flat fin, and two sides which are unopened (roots of a fold-up) 16a, 16b are arranged at an angle with the leading edge of the flat fin and are parallel with each other. In the area where the folds-up cluster A is not disposed, folds-up clusters B, C 14a, 14b which are open on their two sides 17a, 17b are disposed with said two sides 17a, 17b arranged parallelly to the leading edge of the flat fin 9. The unopened two sides (roots of a raised slotted part) 18a, 18b, 19a, 19b are arranged at an angle with the leading edge of the flat fin.
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公开(公告)号：JPS61173086A
公开(公告)日：1986-08-04
申请号：JP1299385
申请日：1985-01-25
Applicant: MATSUSHITA ELECTRIC IND CO LTD , MATSUSHITA REFRIGERATION
Inventor： TANAKA HIROYOSHI , TSUDA YOSHIYUKI , ADACHI MASAAKI , AOYAMA SHIGEO , TANNO SATOSHI , KATO KAORU
IPC: F28F1/32
Abstract: PURPOSE:To lower the heat resistance of fins and, at the same time, to lower the circulation resistance of an air stream by providing lower-shaped or bridge-shaped slotted ridges opened in the direction of the air stream continuously between heat transfer tubes and at a part of fins between columns, and so constituting that the legs of these slotted ridges connected to the fins have an angle of inclination with respect to the cut side in front or at the rear of the fin. CONSTITUTION:Air flowing from one direction 15 carries out indirect exchange of heat transmitted from a coolant through fins upon passing between fins. Since cut-and- rises 13 are provided from the upstream side to the downstream side, the air flow is divided into two parts, that is, one flowing in the inner part of the cut-and-rise 13 and another flowing in the outer part thereof, and a turbulence is created and, at the same time, the pressure loss is lowered. Further, legs 13a and 13b of the cut-and- rises 13 which are connected to the fin 12 have an inclination with respect to the air stream. Therefore, an interference is produced between the air stream which comes into collision with the legs and another which passes therebetween and a vortex is generated. Mixing of the turbulences due to the slips of these flows and air streams between fins remarkably decreases the heat resistance on the surfaces of fins 12.
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公开(公告)号：JPS60259894A
公开(公告)日：1985-12-21
申请号：JP11506584
申请日：1984-06-05
Applicant: MATSUSHITA ELECTRIC IND CO LTD , MATSUSHITA REFRIGERATION
Inventor： TANAKA HIROYOSHI , TSUDA YOSHIYUKI , ADACHI MASAAKI , AOYAMA SHIGEO , TANNO SATOSHI , KATOU KAORU
IPC: F28F1/32
Abstract: PURPOSE:To enable the loss of pressure small and to heighten the mean heat transfer rate by a method wherein at a part of fins a plural number of raised surfaces being inclined to the air flow direction, are provided. CONSTITUTION:Flowing air generates the flows to the upward perpendicularly and along the forward surface wall. At this front, since cut-and-rises 11 is inclined with air, the turning in is generated to the back surface of the cut-and- rises 11, and the secondary flow of eddy is generated slipping off 20-30 deg. from the longitudinal direction of the cut-and-rises due to the interference of each flow. The dead water area which is generated behind the cut-and-rises is nearly disappears by this eddy. In the meantime, the loss of pressure is lowered, the separation of flow being controlled by small dense holes 13 of the lower stream side. Besides, though eddys generated by the cut-and-rise and horsesho of eddys sweeped out behind pipes disappears interfering each other, but at this time the flow of air is disturbed and the dead water area behind cupper tubes are decreased, and the heat exchanger becomes of low pressure loss and high heat transfer rate.
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公开(公告)号：JPS60240979A
公开(公告)日：1985-11-29
申请号：JP9588784
申请日：1984-05-14
Applicant: MATSUSHITA REFRIGERATION
Inventor： YONEDA HIROSHI , TSUDA YOSHIYUKI
IPC: F25D21/08
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公开(公告)号：JPS60223995A
公开(公告)日：1985-11-08
申请号：JP7888384
申请日：1984-04-19
Applicant: MATSUSHITA ELECTRIC IND CO LTD , MATSUSHITA REFRIGERATION
Inventor： TANAKA HIROYOSHI , TSUDA YOSHIYUKI , ADACHI MASAAKI , AOYAMA SHIGEO
Abstract: PURPOSE:To obtain a high heat transfer rate by bending the airflow path of the heat exchanger equipped with fins with a proper radius of curvature. CONSTITUTION:Flon refrigerant, flowing in a copper tube 1 in the condition of two-phase flow, transfers the heat thereof to fin collars 2, wavy fins 3 and cut- ups 4, formed by aluminum, and effects heat exchange between air flowing from the direction of arrow sing X in the diagram. In this case, the flow of air is regulated in the flow direction thereof by the curve of the wavy fins 3 and the flow direction is changed gradually. The change of speed element of the airflow induces secondary flows and generates local vortexes. This flow increases the vertical component of airflow with respect to the wavy fin 3, therefore, the heat transfer rate is improved remarkably. Furthermore, when these vortexes collide against the fin collars 2 or the heat transfer tubes 1 under riding on deflected main stream, strong horseshoe type vortexes are generated around the fin collars 2 or the heat transfer tubes 1 and the heat transfer rate in the rear streams of the heat transfer tubes may be increased remarkably.
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Patent Agency Ranking
公开(公告)号：JPS60202296A
公开(公告)日：1985-10-12
申请号：JP6001784
申请日：1984-03-27
Applicant: MATSUSHITA REFRIGERATION , MATSUSHITA ELECTRIC IND CO LTD
Inventor： KOEYAMA SHIGEO , TANAKA HIROYOSHI , TSUDA YOSHIYUKI , ADACHI MASAAKI
IPC: F28F1/32
Abstract: PURPOSE:To reduce dead water areas and improve heat transmitting rate of the air side by promoting the mixing of the current and contrive to miniaturize and improve the characteristic of a heat exchanger equipped with fins, by a method wherein a plurality of raised-slotted parts are provided, of which two side parts confronting to air current are opened so as to cross with a flat plate fin between heat transfer pipes of the fin. CONSTITUTION:Heat transfer pipes 8 are inserted in fin collar parts 7 which are bored at the constant space on a flat plate fin 6. A plurality of raised-slotted parts 11 which are composed of curved surface parts 9 and leg parts 10 and on which two side face parts confronting to air current are opened so as to cross the flat plate fin 6 at the part positioned between heat transfer pipes 8 of the flat plate fin 6. Raised-slotted parts 11 are arranged confronting to the stream line of the air current around the fin collars 7 in which heat transfer pipes 8 are inserted. A leg part 10 has attack angle and curvature which smoothly change the stream line against the current. Furthermore, raised-slotted parts, 11, 12, in which the cross direction of two side surface parts and the flat plate fin 6 are reversed each other, are arranged alternately from the upper stream side of the air current.
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公开(公告)号：JPS60202294A
公开(公告)日：1985-10-12
申请号：JP6001084
申请日：1984-03-27
Applicant: MATSUSHITA ELECTRIC IND CO LTD , MATSUSHITA REFRIGERATION
Inventor： TSUDA YOSHIYUKI , TANAKA HIROYOSHI , ADACHI MASAAKI , AOYAMA SHIGEO
Abstract: PURPOSE:To improve heat transfer performance and contrive to miniaturize and improve the heat transfer characteristic of the titled device, by a method wherein generation of dead water area which is produced between corrugated fins is prevented. CONSTITUTION:Heat transfer pipes 7 are inserted in fin collar parts 6 which are provided at the constant intervals on the corrugated fins 4, and a plurality of small holes 8 are opened on the whole surface of said corrugated fins. These small holes are disposed with the same diameter at constant intervals. Generation of dead water area is restricted, incoming of air flows through these small holes being produced, because small holes 8, 8a-c are provided on the whole surfaces of the corrugated fins. Mixing effect is produced, because inflow, outflow of air current between each fin are caused on the whole surface by the small holes 8, 8a-c. Furthermore, so-called frontal edge effect is produced, heat transfer quality being improved by cutting-in pieces boundary layer which is developed from upper stream current of air current due to these many small holes. As a result, the heat transfer quality is improved on the whole surface, and remarkable improvement of heat transfer coefficient on the air side can be obtained.
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公开(公告)号：JP2000249289A
公开(公告)日：2000-09-12
申请号：JP5003399
申请日：1999-02-26
Applicant: MATSUSHITA REFRIGERATION
Inventor： NAKAMOTO HIDEO , YUASA AKIKO , TSUDA YOSHIYUKI
Abstract: PROBLEM TO BE SOLVED: To quickly reactingly fix carbon dioxide in bubbles to an epoxide compound to quickly reveal heat insulation performance by including bubble communicating agent, carbonate synthetic catalyst, carbonate compound in foaming polyurethane resin composite including urethane combination and urea combination. SOLUTION: Foaming heat insulation material is filled with volatile foaming agent, and one part or the whole is constituted out of foaming polyurethane resin composite. Bubble communicating agent, carbonate synthetic catalyst, and carbonate compound are included in resin composite containing at least urethane combination and urea combination. Namely the foaming heat insulation material 4 forms bubbles 7 having communicating ports 6 by resin skelton 5 mainly composed of urethane combination, urea combination, and carbonate compound, bubble communicating agent 8 and carbonate synthetic catalyst 9 dissolved in the wall face of the bubble or the resin skelton part is dispersed, and the bubble is filled with volitile foaming agent. Hereby gas content remaining in the bubble 7 is filled with volatile foaming agent.
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公开(公告)号：JP2000109593A
公开(公告)日：2000-04-18
申请号：JP28367298
申请日：1998-10-06
Applicant: MATSUSHITA REFRIGERATION
Inventor： YUASA AKIKO , NAKAMOTO HIDEO , TSUDA YOSHIYUKI
Abstract: PROBLEM TO BE SOLVED: To obtain a heat insulating wall material having an excellent heat insulating property by adhering a hydroxide of an alkaline metal or of an alkaline earth metal and a water absorbing material comprising at least one of an organic and an inorganic compound on the inside of a wall material to avoid an adverse effects on a urethane system to eliminate carbon dioxide and water that is produced by a side reaction of the carbon dioxide gas adsorption reaction, and making a part of the urethane foam as open cells to quickly manifest a heat insulating effect, and a method for manufacturing the same. SOLUTION: This heat insulating material 6 is constituted from closed cells 7, open cells 8 and foamed walls 9, and volatile foaming agents are filled in the closed cells 7 and the open cells 8, and the inside of the wall material is adhered with carbonates 10 of an alkali metal and an alkaline earth metal which are the products of carbon dioxide with an alkali metal and an alkaline earth metal hydroxides and with a water absorbing material 11 absorbed water.
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130.发明专利
公开(公告)号：JPH11290649A
公开(公告)日：1999-10-26
申请号：JP9911998
申请日：1998-04-10
Applicant: MATSUSHITA REFRIGERATION
Inventor： TSUDA YOSHIYUKI , NAKAMOTO HIDEO , YUASA AKIKO
Abstract: PROBLEM TO BE SOLVED: To eliminate the problem of the requirement of extremely long time before removing carbon dioxide gas completely and manufacture a foamed heat insulation material of superior quick heat insulation performance in a technology of removing carbon dioxide gas in foams of the foamed heat insulation material by a carbon dioxide gas adsorbing agent. SOLUTION: A heat insulation agent and a heat insulated box are manufactured by wrapping a carbon dioxide gas adsorbing agent 7 formed of an alkaline metal hydroxide coated with an organic or inorganic substance having pores 3 in a foamed heat insulation material. Namely, the surface is coated with a substance having pores or very fine cracks, desirably with a lipophilic substance, and carbon dioxide gas of large gas conductivity generated in foams by the reaction of isocyanate as a raw material for polyurethane with the water content is passed through the pares of a coated layer and brought into contact directly with the alkaline metal hydroxide and the like to remove carbon dioxide gas in an extremely short time.
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