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91. 发明专利

JPS6252238B2 失效
公开(公告)号：JPS6252238B2
公开(公告)日：1987-11-04
申请号：JP2272483
申请日：1983-02-16
申请人： HITACHI LTD
发明人： ISHIHANE KYUHEI , CHIAKI TAKAO , HATADA TOSHIO
IPC分类号： F28F1/40

92. 发明专利

JPS62252896A HEAT TRANSFER FINS 失效
公开(公告)号：JPS62252896A
公开(公告)日：1987-11-04
申请号：JP9451586
申请日：1986-04-25
申请人： HITACHI LTD
发明人： HATADA TOSHIO , OUCHI TOMIHISA , KUNUGI TAKAFUMI , SUGIMOTO SHIGEO , KANEKO JUNICHI
IPC分类号： F28F1/32
摘要： PURPOSE:To improve the heat transfer performance of the heat transfer fins making the projected area in the ventilation direction of a louver larger than that of both side parts in the vicinity of the central part of the louver, in louver-shaped fins. CONSTITUTION:The section in the ventilation direction of a louver is set to a conical shape, for example, and the angle of a conical part in the vicinity of a louver central part is made larger, and the angle at both end parts 3 and 3' of the louver is made small. Both end parts 3 and 3' are used as louvers 6-10 having a small cone angle thetaand the central part 4 of the louver is used as louvers 11-15 having a large cone angle theta'. Since a ventilation resistance becomes large in the vicinity of the central part 4 of the louver, the air flow speed becomes slow, whereas since the ventilation resistance is small at both sides of each of louvers 3 and 3' having a small sectional cone angle, the air flow speed is increased. Since the temperature difference between the air flow and fins is small in the vicinity of the central part 4 of the louver, lowering of the air flow has no large effect on the heat transfer performance. Since the temperature difference between the air flow and fins is large, the increase in the air flow improves largely the heat performance. As a result, the total heat transfer performance of fins is improved.

93. 发明专利

JPS61235690A HEAT EXCHANGER 失效
公开(公告)号：JPS61235690A
公开(公告)日：1986-10-20
申请号：JP7424285
申请日：1985-04-10
申请人： HITACHI LTD
发明人： KUDO MITSUO , TORII TAKUJI , ITO MASAAKI , HATADA TOSHIO , MIYAMOTO SEIGO
IPC分类号： F28F1/30 , F28F1/12
摘要： PURPOSE:To reduce ventilating resistance and obtain prominent heat transmit ting performance by a method wherein the flat surface section of corrugated fin is slanted by a given angle and louvers, whose surfaces are kept in parallel to the flow direction of refrigerant, are punched out to the front and rear surfaces of the flat surface along the whole length of flat surface of the fin. CONSTITUTION:In the heat exchanger, in which a multitude of crests of waveform of the corrugated fin 7 are connected to the surface of a flat fluid tube 1, the corrugated fins 7 are arranged so that the flat surface section 7a, 7b thereof are slanted by a given angle with respect to the flow direction X of inflow refrigerant, which is orthogonal to the direction of connecting the multitude of crests of waveform of the corrugated fin 7, while the louvers 8, 8a, 8b, 9, 9a, 9b, whose surfaces are kept in parallel to the flow direction X of inflow refrigerant, are formed by punching them out to the front and rear surfaces of the flat surface section of fin alternately along the whole length of the flat surfaces 7a, 7b of the fin. As a result, the ventilating resistance of the heat exchanger may be reduced and the heat exchanger, prominent in the heat transmitting performance thereof, may be obtained.

94. 发明专利

JPS6168535A Vacuum environment tester 失效
标题翻译：真空环境测试仪
公开(公告)号：JPS6168535A
公开(公告)日：1986-04-08
申请号：JP18952184
申请日：1984-09-12
申请人： Hitachi Ltd
发明人： HAZAKI EIICHI , IMAI MASAYA , HATADA TOSHIO , HANEDA MITSUAKI
IPC分类号： G01L5/00 , G01N3/18 , G01N3/56 , G01N19/02
CPC分类号： G01N3/18
摘要： PURPOSE:To elevate the general applicability of a tester, by providing a vacuum flange on a vacuum container to enable the detaching of at least one or more of load imparting elements or measuring elements in order to make possible various vacuum environment tests with one vacuum device. CONSTITUTION:A vacuum container 1 made up of an upper container 1a and a lower container 1b is mounted on the top of a frame 3 with casters 2. A rotation introducer 5 is mounted on a vacuum flange 4 on a bottom late, a rotating shaft 7 thereof has a sample receiver at the upper end thereof and a friction sample 10 is placed thereon in such a manner as to be unable to rotate. A subject sample 11 is connected to an external load lever 17 through a holder 12, a friction force measuring device 13, a load measuring device 14, an internal load lever 15 and a berrows 16. A cryopanel 19 is inserted into the vacuum container and a light source 30 for heating friction sample is provided. As a vacuum flange 18 is provided to insert at least one or more of test devices, samples and the like on the lower container of the vacuum container 1, other testings can be done.
摘要翻译：目的：为了提高测试仪的一般适用性，通过在真空容器上提供真空法兰以使至少一个或多个载荷赋予元件或测量元件分离，以便通过一个真空装置进行各种真空环境试验。构成：由上部容器1a和下部容器1b构成的真空容器1通过脚轮2安装在框架3的顶部上。旋转导引器5安装在底部深的真空凸缘4上，旋转轴其7具有在其上端的样品接收器，摩擦样品10以不能旋转的方式放置在其上。被检样品11通过保持器12，摩擦力测量装置13，负载测量装置14，内部负载杆15和尾座16连接到外部负载杆17.将冷冻板19插入真空容器中，提供用于加热摩擦样品的光源30。当真空容器1的下部容器上设置真空凸缘18以将至少一个或多个测试装置，样品等插入时，可进行其它测试。

95. 发明专利

JPS5926237B2 JPS5926237B2 - 失效
公开(公告)号：JPS5926237B2
公开(公告)日：1984-06-25
申请号：JP7418778
申请日：1978-06-21
申请人： Hitachi Ltd
发明人： HATADA TOSHIO , MATSUZAKI ATSUSHI , HARADA FUMIO , ARAI TOORU , CHIAKI TAKAO , FUTAWATARI HAJIME , IMAIZUMI YUTAKA , TAKEDA SUMYOSHI
IPC分类号： F28F1/32
CPC分类号： F28F1/325 , F28F2250/02 , Y10S165/503
摘要： A cross-fin tube type heat exchanger having a large number of parallel fins and a plurality of heat transfer tubes extended through and fixed to the fins, so that heat may be exchanged between a first heat exchanging medium flowing through the heat transfer tubes and a second heat exchanging medium flowing along the surfaces of the fin, across the walls of the heat transfer tubes and through the fins. In the portions of each fin between adjacent heat transfer tubes of the same row, formed are a number of slits perpendicular to the direction of flow of the second heat exchanging medium. Each elongated section defined between each pair of adjacent slits is bent along its breadthwise bisector line and is raised in the form of a bridge to constitute an upwardly convexed louver element. The upwardly convexed louver element may have a cross section with an obtuse apex angle, or may have an arcuate cross section. The successive louver elements are arrayed in the direction of flow of the second heat exchanging medium in a manner of corrugation, or alternately staggered in the heightwise direction so that the edges of adjacent louver elements may be staggered in the heightwise direction. The fins having louver elements thus constructed cause a turbulency of the flow of the second heat exchanging medium to effectively prevent boundary layers of the latter from growing, thereby to ensure a higher efficiency of the heat exchange. Also increased stiffness or rigidity of the fin is obtained thanks to the provision of upwardly convexed louver elements.

96. 发明专利

JPS5916639A Metallic die for manufacturing cross fin tube type heat exchanger fin 失效
标题翻译：用于制造交叉管型热交换器金属的金属制造
公开(公告)号：JPS5916639A
公开(公告)日：1984-01-27
申请号：JP4066883
申请日：1983-03-14
申请人： Hitachi Ltd
发明人： TAKEDA SUMIYOSHI , YAMAUCHI TAKETOSHI , IMAIZUMI YUTAKA , HATADA TOSHIO
IPC分类号： B21D22/30 , B21D22/28 , B21D53/02 , B21D53/08 , F28F1/32
CPC分类号： B21D53/02
摘要： PURPOSE:To form a fin collar part whose thickness is uniform, by constituting a shank part of a punch which is inserted into a die, of a flexible member, and making a hole of the die coincide easily with the center of the punch, in a metallic die for manufacturing a fin. CONSTITUTION:With regard to a base material 1 which is set between a squeezing die 20 and a stripper plate 22, a fin collar part 16 is subjected to burring and squeezing simultaneously by a squeezing punch 24. The pierced margin of a prepared hole is raised by the first shoulder 24a of the squeezing punch 24, and the base material 1 and the squeezing punch 24 are brought into linear contact and are squeezed by the second shoulder 24b, namely, the maximum diameter part of the punch 24, by which an intermediate thin part of the finger collar is formed. In this process, if the hole of the squeezing die 20 is shifted from the center of the squeezing punch 24, since a shank 25 is flexible, it is guided to the hole of the squeezing die 20 so that both the centers are aligned naturally.
摘要翻译：目的：为了形成厚度均匀的翅片环部分，通过构成插入模具中的冲头的一个柄部分，柔性部件，并使模具的孔容易地与冲头的中心一致，在用于制造翅片的金属模具。构成：对于设置在挤压模具20和剥离板22之间的基材1，通过挤压冲头24同时对翅片套环部件16进行毛刺和挤压。将预制孔的穿孔边缘提高通过挤压冲头24的第一肩部24a，并且基材1和挤压冲头24被直接接触并且被第二肩部24b挤压，即冲头24的最大直径部分，由此中间形成指环的薄部分。在该过程中，如果挤压模具20的孔从挤压冲头24的中心偏移，则由于柄25是柔性的，所以其被引导到挤压模具20的孔，使得两个中心自然对准。

97. 发明专利

JPS58150799A HEAT EXCHANGER 失效
公开(公告)号：JPS58150799A
公开(公告)日：1983-09-07
申请号：JP2272483
申请日：1983-02-16
申请人： HITACHI LTD
发明人： ISHIHANE KIYUUHEI , CHIAKI TAKAO , HATADA TOSHIO
IPC分类号： F28F1/40
摘要： PURPOSE:To reduce the friction loss of a working fluid while cutting down processing cost by forming a section corresponding to the single phase region of the working fluid in a bare pipe and forming only a section corresponding to two phase regions being accompanied by condensation or evaporation in a heat transfer pipe to which a spiral groove is processed. CONSTITUTION:A cross-fin tube type heat exchanger is mostly used as an air-refrigerant heat exchanger in an air conditioner, a refrigerator, etc. When such a heat exchanger is used as a condenser, a vapor refrigerant at a high temperature and high pressure, which is discharged from a compressor, flows into the heat exchanger as the arrow, and heat-exchanges with flowing air. There is the vapor single phase region 3, in which the vapor refrigerant is cooled, in a heat transfer pipe 1, there is the gas-liquid two phase region 4 in which heat is exchanged with condensation, and there s a liquid single phase region 5 in which the refrigerant is liquefied completely. When the heat exchanger is used as an evaporator, the refrigerant under the state of two phase of a liquid and a gas through a decompression device flows into the heat exchanger, exchanges heat, is evaporated, is brought to the state of vapor single phase and is forwarded to the compressor. In said constitution, pipe spiral groove processing is executed only to the two phase region being accompanied by condensation or evaporation, and regions except said region are formed in bare pipes, thus reducing the friction loss of the fluid, then cutting down processing cost.

98. 发明专利

JPS5849866A REFRIGERATOR 失效
公开(公告)号：JPS5849866A
公开(公告)日：1983-03-24
申请号：JP14788181
申请日：1981-09-21
申请人： HITACHI LTD
发明人： CHIAKI TAKAO , KOKUNI KENSAKU , ATSUMI AKIRA , HATADA TOSHIO , ISHIHANE KIYUUHEI
IPC分类号： F25B5/02 , F25B1/10 , F25B5/00

99. 发明专利

JPS5811396A HEAT EXCHANGER 失效
公开(公告)号：JPS5811396A
公开(公告)日：1983-01-22
申请号：JP10932281
申请日：1981-07-15
申请人： HITACHI LTD
发明人： KURODA SHIGEAKI , HATADA TOSHIO
IPC分类号： F28D1/047 , F28F9/26 , F28F27/02
摘要： PURPOSE:To improve the flow amount distribution, the temperature distribution and the heat exchanging performance thereof by a method wherein a bend tube without a partitioning plate is employed at an arcuated bent section thereof. CONSTITUTION:At least one bend section among a plurality of arcuated bend sections in the heat exchanger is made by a flat bend tube 13a of a different piece and parallel straight tube sections 11a, 11b are connected through this flat bend tube 13a. This bend tube 13a is formed by a material having increased strength and no partitioning plate is provided in the tube. As a result, even when the flow amount distribution of refrigerant carrier in respective flow paths a, b, c, d is irregular, the refregerant carrier flowed into the bend tube 13a is mixed so as to make the temperature conditions of the whole refrigerant substantially equal and it is flowed into respective flow paths of next straight tube sections 11b with good flow amount distributions, further, it is flowed into each flow passage under the same temperature conditions.

100. 发明专利

JPS5774559A Heat pump type air conditioner 失效
公开(公告)号：JPS5774559A
公开(公告)日：1982-05-10
申请号：JP15063280
申请日：1980-10-29
申请人： Hitachi Ltd
发明人： KOKUNI KENSAKU , MATSUO KAZUYA , HATADA TOSHIO , MURAYAMA AKIRA
IPC分类号： F25B13/00 , F28D15/02

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