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1. 发明专利

JP2000320867A EXPANSION TANK FOR ABSORPTIVE ICEMAKER 失效
公开(公告)号：JP2000320867A
公开(公告)日：2000-11-24
申请号：JP15079499
申请日：1999-05-31
申请人： TOKYO GAS CO LTD , TAIKISHA KK , HITACHI SHIPBUILDING ENG CO
发明人： NAKAMURA MAKOTO , YOSHIKAWA KIMIO , ASAKAWA SHINICHIRO , YOSHIDA TAKASHI , SAITO MASANOBU , SASAO HIROYUKI , KODERA MASAHARU , TAKAGI YOSHINOBU , OTSUKA HIROYUKI , SATO NOBUKAZU , NAGAYA KIICHI
IPC分类号： F24F5/00 , F25B15/00 , F25C1/00
摘要： PROBLEM TO BE SOLVED: To prevent contact of water with air in the case of measuring an ice packing ratio in an ice storage tank. SOLUTION: A rubber film-like material 32 covering an overall water surface is mounted in a body 31 of an expansion tank 6 connected to an ice storage tank of an icemaker operated by an absorptive refrigerating cycle through a connecting tube 12, a float 33 is mounted at a center of the material 32, and a displacement of the float 33 is detected by a displacement meter 35, thereby detecting an increased or decreased amount of water of a refrigerant.

2. 发明专利

JP2000346480A COLD HEAT SUPPLYING FACILITY 失效
公开(公告)号：JP2000346480A
公开(公告)日：2000-12-15
申请号：JP15079399
申请日：1999-05-31
申请人： TOKYO GAS CO LTD , TAIKISHA KK , HITACHI SHIPBUILDING ENG CO
发明人： NAKAMURA MAKOTO , YOSHIKAWA KIMIO , ASAKAWA SHINICHIRO , YOSHIDA TAKASHI , SAITO MASANOBU , SASAO HIROYUKI , KODERA MASAHARU , TAKAGI YOSHINOBU , OTSUKA HIROYUKI , SATO NOBUKAZU
IPC分类号： F25B15/00
摘要： PROBLEM TO BE SOLVED: To provide a cold heat supplying facility capable of improving cooling capability. SOLUTION: The cold heat supplying facility comprises an evaporator 1 for evaporating water of a refrigerant liquid, an absorber for absorbing steam of refrigerant vapor evaporated by the evaporator 1 to a lithium bromide aqueous solution of an absorption liquid, a regenerator for heating the absorption liquid absorbing the steam by the absorber to regenerate it, and a condenser for condensing the steam regenerated by the regenerator. Consequently, cooling water of a fluid is cooled from a user facility to be guided into a heat transfer tube 2 disposed in the evaporator 1 by evaporating latent heat of the steam, and water soluble glycol and a slow icing agent such as a polymeric alcohol or the like are added to the water of the refrigerant liquid in the evaporator 1.

3. 发明公开

EP0713062A4 ABSORPTION WATER CHILLER/HEATER AND METHOD OF CONTROLLING SAME 失效
标题翻译：吸收式冷水冷却器或-ERHITZER ZND方法控制该
公开(公告)号：EP0713062A4
公开(公告)日：1999-08-11
申请号：EP95921137
申请日：1995-06-09
申请人： TOKYO GAS CO LTD
发明人： KOJIMA HIROSHI , NAKAMURA MAKOTO , EDERA MASARU , OKA MASAHIRO
IPC分类号： F25B15/00 , F25B15/06 , F25B49/04
CPC分类号： F25B49/043 , F25B15/008 , F25B15/06 , F25B2315/001 , Y02A30/277 , Y02B30/62
摘要： The invention has its object to provide an absorption water chiller/heater provided with a high quality fuel system and an exhaust heat utilization system and capable of effectively preventing crystallization in a heat exchanger mounted on a piping of the exhaust heat utilization system and having exhaust heat introduced from outside thereinto and preventing temperature rise at a high temperature regenerator and corrosion attendant thereupon, and a method of controlling the same. In the absorption water chiller/heater and the controlling method of the same, according to the invention, when shutdown detecting means detects generation of a shutdown signal of a solution pump or a combustion burner, clock means judges whether or not a predetermined period of time has lapsed after the shutdown of the solution pump or the combustion burner, and if predetermined period of time has lapsed, control means outputs a control signal to a branch means to permit a fluid containing exhaust heat to bypass the heat exchanger. In addition, the absorption water chiller/heater of the invention detects an opening and closing condition of a three-way valve to judge whether the water chiller/heater is in an exhaust heat introduction operating mode or a normal operating mode, thus automatically regulating opening upper limiters of a high quality fuel regulating throttle valve and a combustion air regulating throttle valve of a high quality fuel combustion burner provided in the high temperature regenerator for the respective modes.

4. 发明专利

JPH11159913A REGENERATOR FOR ABSORPTION REFRIGERATOR 失效
公开(公告)号：JPH11159913A
公开(公告)日：1999-06-15
申请号：JP32572197
申请日：1997-11-27
申请人： TOKYO GAS CO LTD , SANYO ELECTRIC CO
发明人： NAKAMURA MAKOTO , SHIDARA ATSUSHI , SHIKANUMA HITOSHI
IPC分类号： F25B33/00
摘要： PROBLEM TO BE SOLVED: To provide a regenerator for an absorption refrigerator to prevent the occurrence of corrosion and crystallization through prevention of an abnormal increase in the wall temperature of a heat transfer pipe and provide an increased life and be formed in a compact state and reduce the generation of NOX of a burner serving as a heat source and perform combustion of a low unbent content. SOLUTION: A regenerator A for an absorption refrigerator is provided in a heat transfer chamber 2 with a number of heat transfer pipes 71 and 72. A diluted absorption solution is introduced in a heat transfer chamber only through a first heat transfer pipe group 71 making access to a burner 3 in a number of heat transfer pipes, and thereafter, guided in other heat transfer pipe group 72. The inlet of the first heat transfer pipe group 71 making access to the burner 3 forms cavity structure (a), and in a subcool region, sucool boiling of a thin absorption solution entering the first heat transfer pipe group 71 is promoted.

5. 发明专利

JPH08247566A ABSORPTION REFRIGERATING MACHINE AND OPERATING METHOD THEREFOR 失效
公开(公告)号：JPH08247566A
公开(公告)日：1996-09-27
申请号：JP5385195
申请日：1995-03-14
申请人： TOKYO GAS CO LTD
发明人： KOJIMA HIROSHI , NAKAMURA MAKOTO , EDERA MASARU , OKA MASAHIRO
IPC分类号： F25B15/00
摘要： PURPOSE: To provide an absorption refrigerating machine in which exhaust heat and high-pressure steam from the exterior such as a cogeneration system can be effectively used and the generation of large quantity of steam when the high-pressure steam is exhausted after heat exchanging can be prevented. CONSTITUTION: A heat exchanger 50 for a first warm heat source is mounted at the rare solution line (L1: including intermediate concentration solution line) of absorbent communicating with a high-temperature solution heat exchanger 14 and a low-temperature solution heat exchanger 15, and a second warm heat source heat exchanger 52 provided to heat exchange the steam supplied to a high-temperature regenerator with the absorbent rare solution flowing through a rare solution line (L1: including intermediate concentration solution line) is mounted as high-temperature heat source.

6. 发明专利

JPH08152224A ABSORPTION WATER COOLING-HEATING MACHINE 失效
公开(公告)号：JPH08152224A
公开(公告)日：1996-06-11
申请号：JP29184594
申请日：1994-11-25
申请人： TOKYO GAS CO LTD
发明人： KOJIMA HIROSHI , NAKAMURA MAKOTO , EDERA MASARU , OKA MASAHIRO
IPC分类号： F25B15/00
摘要： PURPOSE: To obtain an absorption water cooling-heating machine which can meet a request for energy saving even in an exhaust heat charging operation mode wherein an exhaust heat from outside is charged, and also which prevents an excessive rise in temperature of a high-temperature regenerator and, moreover, ensures a refrigerating capacity even when the temperature of hot drain water is low. CONSTITUTION: In an absorption water cooling-heating machine 1 to which an exhaust heat is supplied selectively through a branch piping 22 branching from a hot water supply pipe 21 communicating with an exhaust heat source, a control device 26 executing an on-off control of a three-way valve V1 in response to the result of detection of a detecting means 24 of a cold water outlet temperature TLout is provided. The control means 26 may also be constructed so that it executes the on-off control of the three-way valve V1 in response to the result of detection of a detecting means 28 of a hot water temperature TH. Furthermore, it is also possible to construct a control device 30 executing the on-off control of the three-way valve V1 in response to the results of detection of the detecting means 24 of the cold water outlet temperature TLout and the detecting means 28 of the hot water temperature TH.

7. 发明专利

JPH07218018A ABSORPTION REFRIGERATOR AND OPERATION CONTROLLING METHOD THEREFOR 失效
公开(公告)号：JPH07218018A
公开(公告)日：1995-08-18
申请号：JP833194
申请日：1994-01-28
申请人： TOKYO GAS CO LTD
发明人： KOJIMA HIROSHI , NAKAMURA MAKOTO , OKA MASAHIRO , EDERA MASARU
IPC分类号： F25B15/00
摘要： PURPOSE:To reduce in size and weight a structure and to simplify control. CONSTITUTION:The absorption refrigerator comprises a control unit 20 for switching warm water from a cogeneration unit 1 to a waste heat/solution heat exchanger 17 side by a first three-way valve VH at the time of driving a two-heat source or via a drive of only warm water to a low temperature regenerator 13 side by a second three-way valve VS in response to a cooling load CL.

8. 发明专利

JPH06201230A GAS LIQUID SEPARATOR FOR REFRIGERANT 失效
公开(公告)号：JPH06201230A
公开(公告)日：1994-07-19
申请号：JP34630491
申请日：1991-12-27
申请人： TOKYO GAS CO LTD
发明人： NAKAMURA MAKOTO
IPC分类号： B01D19/00 , F25B43/00
摘要： PURPOSE:To prevent a refrigerant from becoming gas-liquid two phase state by a method wherein an upper end of an inner cylinder formed with an opening at an upper side surface is provided with a mesh-like member and a gas recoverying member. CONSTITUTION:An upper end of an inner cylinder 1 is provided with a liquid dropper 2 formed by a mesh-like member, i.e., a punched metal and a conical gas recoverying member 3. An upper side surface of the inner cylinder 1 is provided with a plurality of liquid outlet ports 4. An outer cylinder 6 having a bottom plate 5 of the inner cylinder 1 together in a state that it encloses an outer circumferential side surface of the inner cylinder 1 and it is arranged in coaxial with the inner cylinder 1. A feeding pipe 7 sealingly passing through the outer cylinder 6 and the inner cylinder 1 is fixed to a bottom side surface of the inner cylinder 1 while being offset. A feeding-out pipe 8 is fixed to the outer cylinder 6. With such an arrangement as mentioned above, it becomes possible to perform a gas-liquid separation of refrigerant and so there is no possibility that a performance of the air-conditioner such as a heat pump and the like is lowered.

9. 发明专利

JPH062985A ENGINE-DRIVEN HEAT PUMP 失效
公开(公告)号：JPH062985A
公开(公告)日：1994-01-11
申请号：JP15652092
申请日：1992-06-16
申请人： TOKYO GAS CO LTD
发明人： NAKAMURA MAKOTO
IPC分类号： F25B13/00 , F25B27/00
摘要： PURPOSE:To improve fuel efficiency and durability of an engine by controlling a speed of a stepless transmission by speed control means based on a rotating speed of a compressor instructed from heat pump capacity control means, and controlling an output of the engine by output control means. CONSTITUTION:A compressor 3 is connected to an engine through a stepless transmission 2 to compress refrigerant, and the refrigerant is fed to a heat pump body. Rotating speed control means 4 and heat pump capacity control means 6 are sequentially connected to the transmission 2. Further, air conditioning load detecting means 7 of the pump is connected to the means 6, and rotating speed detecting means 8 of the compressor 3 is connected to the means 4. Output control means 5 is connected to the engine 1, and speed detecting means 9 of the engine 1 is connected to the means 5. Thus, the speed of the transmission 2 is controlled based on the speed of the compressor 3 instructed from the means 6 by the means 4.

10. 发明专利

JPH11118180A INDOOR INSTALLED TYPE AIR CONDITIONER 失效
公开(公告)号：JPH11118180A
公开(公告)日：1999-04-30
申请号：JP29357497
申请日：1997-10-09
申请人： TOYO SEISAKUSHO KK , TOKYO GAS CO LTD
发明人： ARAKI FUJIO , MURAKAMI HIROYUKI , SHIMA YASUHIRO , ISHINO HIROTSUGU , KAWASAKI SHIGERU , NAKAMURA MAKOTO , MIYAMOTO TETSUO
IPC分类号： F24F13/20 , F24F13/28 , F24F1/00
摘要： PROBLEM TO BE SOLVED: To provide a unit casing in which a suction side primary chamber casing and a blowing-out side secondary chamber casing are constituted separately, a method for combining these two casings at a mounting site is changed, both an air blowing-out direction and an air sucking direction can be conveniently changed, its management in warehouse can be simplified and its transportation work can be easily carried out. SOLUTION: Side panels 4a and 4b are removably provided to the right and left side surfaces of a primary chamber casing 1 having a front plate 3a, a rear plate 3b, an upper plate 5 and a bottom plate 6 arranged at a rectangular parallelpiped skelton 2 and further having a suction port 7 at the upper plate, and a secondary chamber casing 9 comprised of a front plate 10a, a rear plate 10b, an upper plate 12, a bottom plate 13 and right and left side plates 11a, 11b and having the air blowing- out port 14 at the upper plate and a communicating opening 15a at the lower parts of the side plates 11a, 11b, and further the side panels 4a and 4b are removably attached to each of the side surfaces opposite to that of the connecting part between the casing 1 and the secondary chamber casing 9, respectively, and the primary chamber casing is provided with an air filter 8 and the secondary chamber casing is provided with a blower 16, a cooling coil, a heating coil and a humidifier.

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