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1. 发明专利

JP2006258383A Fin tube type heat exchanger 有权
标题翻译： FIN管式热交换器
公开(公告)号：JP2006258383A
公开(公告)日：2006-09-28
申请号：JP2005077275
申请日：2005-03-17
申请人： Hitachi Ltd , Kyushu Univ , 国立大学法人九州大学 , 株式会社日立製作所
发明人： KONDO CHIEKO , MATSUMURA KENJI , KOKUNI KENSAKU , CHIAKI TAKAO , NAKAYAMA SUSUMU , SUGIYAMA TATSUYA , MURAMATSU NOBUHITO , KOYAMA SHIGERU
IPC分类号： F28F1/26 , F28F1/32
摘要： PROBLEM TO BE SOLVED: To provide a fin tube type heat exchanger capable of providing a high heat transfer coefficient and suppressing increase of draft resistance when frost is formed.
SOLUTION: This fin tube type heat exchanger is provided with: a heat transfer tube penetrating a plurality of plate-like fins arranged in parallel with one another at set intervals; and a plurality of flat slit surfaces 1 formed by cutting and raising the fins. In the slits surfaces 1, the heights of the slit surfaces 1 are arranged in a step-like form from the upstream side to the down stream side; and ends of the fins on the upstream side are provided with a straightening surface 9 formed by being bent to guide air entering into a passage formed between the slit surfaces 1 of the fins adjacent to each other.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种翅片管式热交换器，其能够提供高的传热系数，并且在形成霜时抑制防吸水性的增加。解决方案：该散热管式热交换器设置有：传导管，其以设定的间隔彼此平行地布置成多个板状翅片; 以及通过切割和升高翅片而形成的多个平坦狭缝表面1。在狭缝面1上，狭缝面1的高度从上游侧向下游侧呈阶梯状配置，并且在上游侧的翅片的端部设置有弯曲表面9，该矫直表面9被弯曲以引导进入形成在彼此相邻的翅片的狭缝表面1之间的通道中的空气。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2003247545A LINEAR MOVEMENT BEARING DEVICE 审中-公开
公开(公告)号：JP2003247545A
公开(公告)日：2003-09-05
申请号：JP2002048963
申请日：2002-02-26
申请人： HITACHI LTD
发明人： FUKAZAWA KOKI , SUGIYAMA TATSUYA , MURAMATSU NOBUHITO , MORI YUTAKA , SUZUKI MASAHIDE
IPC分类号： F16C33/66 , F16C31/04
摘要： PROBLEM TO BE SOLVED: To provide a linear movement bearing device in which the insufficient supply of lubricant and the degradation of lubricant are eliminated, the frictional heat of a rolling member is suppressed, the accuracy of a guide shaft is ensured and a structure is simplified. SOLUTION: The linear bearing device includes a guide post 3 having an outer peripheral surface along a linearly moving direction and a cylindrical hollow guide bush 4 having an inner peripheral surface facing the outer peripheral surface and opposed in pair and externally fitted to the guide post 3 through a rolling member bearing mechanism 5 having many rolling members 5a and retainers 5b as holding means thereof. On the outer peripheral surface of the guide bush 4, an annular peripheral groove 4c opposed to the direction perpendicular to the axially linear moving direction is formed on the circumference. A plurality of holes 4d passing through the inner peripheral surface of the guide bush 4 from the annular peripheral groove 4c are provided. A lubricant supply means communicates with the plural holes 4d. COPYRIGHT: (C)2003,JPO

3. 发明专利

JPH0875239A INDOOR UNIT FOR AIR CONDITIONING EQUIPMENT 失效
公开(公告)号：JPH0875239A
公开(公告)日：1996-03-19
申请号：JP21557194
申请日：1994-09-09
申请人： HITACHI LTD
发明人： MURAMATSU NOBUHITO , KUNIKATA MASARU
IPC分类号： F24F1/00 , F24F13/20 , F24F13/30 , F24F13/32
摘要： PURPOSE: To achieve ramification of inside air by improving rigidity of a cabinet for a room unit for a ceiling embedded type air conditioning equipment. CONSTITUTION: A motor 3 and a heat exchanger 2 are mounted on a dome shaped cabinet 1 molded integral and a fan 4 is mounted at a shaft end part of the motor 3. Moreover, a panel 6 is mounted on the undersurface of the cabinet 1. An indoor unit is comprised of these components and suspended on the surface of a ceiling using a bolt. Thus, the load of internal components an indoor unit for an air conditioning equipment has is supported being dispersed, thereby enabling the lessening of thickness and weight by higher rigidity and the lowering of noise by the ramification of air inside with a simple construction.

4. 发明专利

JP2002035928A METHOD AND DEVICE FOR BRAZING 失效
公开(公告)号：JP2002035928A
公开(公告)日：2002-02-05
申请号：JP2000227545
申请日：2000-07-24
申请人： HITACHI LTD
发明人： TAKEUCHI TOSHIYUKI , AMIMOTO TOSHIYUKI , KANAI YASUYUKI , MURAMATSU NOBUHITO , NAKAHATA MITSUZO
IPC分类号： B23K1/00 , B23K101/14
摘要： PROBLEM TO BE SOLVED: To provide a brazing method and device which can improve in airtightness and strength of a joint and enables an automation easily. SOLUTION: In this method in which a joint materials 2 is disposed in the direction to intersect a shaft direction of a joint materials 1 in the joint materials 1, and the joint material is brazed by a burner flame, a brazing joint WH and joint materials of part WA and WB which axially extends from a brazing joint are heated and jointed by the burner flame.

5. 发明专利

JP2001041665A HEAT EXCHANGER 失效
公开(公告)号：JP2001041665A
公开(公告)日：2001-02-16
申请号：JP21200299
申请日：1999-07-27
申请人： HITACHI LTD
发明人： MURAMATSU NOBUHITO , MINAGAWA SADATOSHI , SATO MINORU , AJIKI NAOJI , AMIMOTO TOSHIYUKI
IPC分类号： B23K9/00 , F28D1/047
摘要： PROBLEM TO BE SOLVED: To improve heat storage performance and eliminate the possibility of collapse due to expansion or the like by a method wherein a pipe formed through serpentine forming, and a sheet material, set in parallel to a predetermined plane, are contacted to reduce icing time and increase the volume of produced ice, which occupies in the amount of water in an ice heat storage tank. SOLUTION: A pipe 1 is formed through serpentine forming and one sheet or more of sheet materials 9, parallel to a predetermined plane, are provided with a plurality of slits 10 while cut pieces 9a, 9b which are pinched between each slits 10, are bent so as to contact with the fore and rear sides of the serpentine-formed surface of the pipe 1 alternately or contact with one piece of the pipe 1 and, thereafter, are inserted from the side surfaces of the serpentine-formed surface. The cut pieces 9a, contacting with the opposite side of the pipe 1, are arranged at both ends of the cut pieces 9a brought into contact with one side of the pipe 1. When the cut pieces 9a are bent into the pipe 1 alternately or into the pipe 1, a binding force for the pipe 1 due to the mutual effect of both of the cut pieces 9a, 9b is obtained whereby a heat exchanging efficiency is improved.

6. 发明专利

JPH06238380A DEVICE FOR EXPANDING DIAMETER OF PIPE FOR HEAT EXCHANGER BY HYDRAULIC PRESSURE 失效
公开(公告)号：JPH06238380A
公开(公告)日：1994-08-30
申请号：JP3037093
申请日：1993-02-19
申请人： HITACHI LTD , HITACHI SHIMIZU ENG KK
发明人： AJIKI NAOJI , MISU YUZO , WATANABE SHOGO , MURAMATSU NOBUHITO
IPC分类号： B21D39/08 , B21D53/08
摘要： PURPOSE:To obtain the perfect air-tightness even in the case of being a pipe with groove in the inner surface and a small diameter pipe and also, to execute flare- forming to the end part of a cooling pipe at the same time by sealing the outer periphery of the cooling pipe, at the time of expanding the diameter of the cooling pipe in a cross fin type heat exchanger by hydraulic pressure. CONSTITUTION:An elastic body 3 is arranged on the outer peripheral surface at the end part of the cooling pipe 1, and a hydraulic nozzle 7 forming a liquid passage 8 in the inner part is forcedly inserted into the end part of the cooling pipe 1. The outer peripheral surface of the cooling pipe 1 is pressed to stick to the inner surface of the elastic body 3 to keep the air-tightness, and by pouring high pressure liquid into the cooling pipe 1, the diameter of the cooling pipe 1 is expanded and the expanded cooling pipe is closely stuck to the fins 2. The elastic body 3 and the hydraulic nozzle 7 are formed, such as a die and a punch for flare-forming and at the time of expanding the pipe diameter by the hydraulic pressure, the flare-forming work is executed at the same time. The device can be applied to the heat exchanger of the pipe with groove in the inner surface and the small diameter pipe, too. Further, the flare-forming work can be executed at the same time.

7. 发明专利

JP2003161588A HEAT EXCHANGER AND AIR CONDITIONER HAVING THE SAME 审中-公开
公开(公告)号：JP2003161588A
公开(公告)日：2003-06-06
申请号：JP2001361031
申请日：2001-11-27
申请人： HITACHI LTD
发明人： KUBOTA ATSUSHI , SHIKAZONO NAOKI , MURAMATSU NOBUHITO , SUGIYAMA TATSUYA , KOKUNI KENSAKU , ICHIKAWA AKIHIRO , TAKENAKA HIROSHI , NISHIKAWA KAZUTOSHI
IPC分类号： F24F1/00 , F28F1/32 , F28F17/00
摘要： PROBLEM TO BE SOLVED: To provide a heat exchanger that suppresses increase in draft resistance even upon a frost in a slit while maintaining a heat transfer rate of the heat exchanger, and also to provide an air conditioner having the heat exchanger. SOLUTION: The heat exchanger has fins 5 arranged at a given interval, a plurality of heat exchanger tubes 2 arranged in a line through the fins 5, and a plurality of rows of slits 6 struck from surfaces of the fins 5 so as to open in opposition to an airflow, and has the slits 6 in a plurality of levels between every adjacent heat exchanger tubes 2. A fin center rib 7 without the slits 6 is formed between a front edge and a rear edge of the fin 5 along an airflow direction, and an air passage 9 connecting the front edge and rear edge of the fin 5 and connected to the rib 7 is formed between the levels of the slits 6. COPYRIGHT: (C)2003,JPO

8. 发明专利

JPH10292983A REFRIGERATOR 失效
公开(公告)号：JPH10292983A
公开(公告)日：1998-11-04
申请号：JP10129497
申请日：1997-04-18
申请人： HITACHI LTD
发明人： WAKATABE TAKESHI , SUGI KENKICHI , IIDA MAKOTO , MURAMATSU NOBUHITO
IPC分类号： F25D23/06
摘要： PROBLEM TO BE SOLVED: To eliminate transferring works and assembling works by forming attaching screw bosses and the fixture of wiring assembly for attaching a fan motor container for cooling inside a refrigerator, the container of an indoor lamp, the guide rail of a drawer type container and indoor components with outserting mold on an inner box directly and fixing each of the components to the inner box with an adhesive. SOLUTION: Holding a vacuum formed plastic inner box 1 between the upper and the lower dies of an injection molding machine, the shape of each of the components is formed on the plastic inner box 1 with outserting mold directly by injecting plastics of the same quality as that of the plastic inner box 1 into both dies. The container box 2 of the cooling fan motor inside the refrigerator and the container 6 of the indoor lamp are molded directly on the inner box and on the opposing side of the plastic inner box 1 at the position of the container 2 of the cooling fan inside the refrigerator and the container 6 of the indoor lamp, anchor type latching parts are formed as a unit and fixed to the inner box 1 with the adhesive. Therefore, the transferring of molded components to the inner box assembling shop can be eliminated, and the large distribution cost and assembling cost can be saved.

9. 发明专利

JPH08126916A DEVICE AND SYSTEM FOR HYDRAULIC TUBE EXPANSION FOR HEAT EXCHANGER 失效
公开(公告)号：JPH08126916A
公开(公告)日：1996-05-21
申请号：JP26490394
申请日：1994-10-28
申请人： HITACHI LTD , HITACHI SHIMIZU ENG KK
发明人： MURAMATSU NOBUHITO , AJIKI NAOJI , KURAGANO MITSURU , KUNIKATA MASARU , ASAKURA YASUZO
IPC分类号： B23P15/26 , B21D53/08
摘要： PURPOSE: To achieve the highly reliable expansion of a tube by expanding a heat conductive tube by filling the high pressure liquid in the tube to perform the complete sealing after the end part of the heat conductive tube is inserted between a liquid pressure nozzle and an elastic cylindrical body, and the end part of the heat conductive tube is restrained by compressing and deforming the elastic cylindrical body. CONSTITUTION: In using a hydraulic tube expanding device, an end part of a heat conductive tube 1 is inserted in the clearance between a hydraulic nozzle 3 and the inner diameter of an elastic cylindrical body 5 to this end face make the inner diameter of the rigid cylindrical body 6. The rigid cylindrical body 6 is advanced by a pressing cylinder through a screwed block body 10, and the elastic cylindrical body 5 is compressed in the axial direction to radially expand the elastic cylindrical body, and the outer circumferential surface of the heat conductive tube 1 is restrained to keep it airtight. Then, the liquid is poured from the high pressure feeding source into the heat conductive tube 1 by being successively passed through the block 7, the rigid cylindrical body 6, and the respective liquid passages 7a, 6a, 3a, 3b of the liquid pressure nozzle 3, and the heat conductive tube 1 is expanded and tightly adhered to a fin 2 with this pressure. The outer circumferential surface of the heat conductive tube 1 is sealed by the elastic cylindrical body 5.

10. 发明专利

JP2000280037A AIRTIGHT CONTAINMENT DEVICE, AIRTIGHT CONTAINMENT METHOD, HEAT EXCHANGER AND FREEZING EQUIPMENT USING IT 失效
公开(公告)号：JP2000280037A
公开(公告)日：2000-10-10
申请号：JP8969799
申请日：1999-03-30
申请人： HITACHI LTD
发明人： MURAMATSU NOBUHITO , SATO MINORU , AJIKI NAOJI , AMIMOTO TOSHIYUKI
IPC分类号： B21D39/06 , B21D39/08 , F16J12/00 , F28F9/16
摘要： PROBLEM TO BE SOLVED: To pull out a hydraulic nozzle from a pipe without applying a force to a fin or a side plate. SOLUTION: This freezing equipment is provided with a fixed compression member 11 for butting an end face of a pipe P against a step part of a through hole, a movable compression member 17 being out fitted slidably with the fixed compression member 11 and having a flange part formed at one end, a ring shape elastic element 18 arranged between the end face of the fixed compression member 11 and a flange part of the movable compression member 17, and a hydraulic adding nozzle 23 being engaged with the fixed compression member 11 slidably for putting in/pulling out to the end part of the pipe P.

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