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1. 发明专利

JP2002005371A HOSE JOINT 失效
公开(公告)号：JP2002005371A
公开(公告)日：2002-01-09
申请号：JP2000187571
申请日：2000-06-22
申请人： OSAKA GAS CO LTD , HARMAN CO LTD
发明人： IGAWA KAZUHISA , KAWAGUCHI TAKAFUMI , KATO MARIKO , KIMURA ITARU , NISHIURA MASANAGA
IPC分类号： F16L33/24 , F16L33/00 , F16L33/28 , F16L37/12 , F16L41/02 , F24D19/02
摘要： PROBLEM TO BE SOLVED: To provide a hose joint high in connection reliability and excellent in hose connection workability. SOLUTION: A relay part 3 of the hose joint A having a structure in which two hose side connecting parts 1 are branched at a prescribed angle θ for an axial direction (Z direction) of an origin side connecting part 2 from the relay part 3 is provided with an engagement step part 16 engaged with a receiving part 32 of a jig 31 for connecting a hose 33 to be used when the hose 33 is connected with the hose side connecting parts 1. The engagement step part 16 is provided with a projection 17 so that the receiving part 32 of the jig 31 for connecting the hose 33 may be engaged at a proper angle corresponding the angle θ of each hose side connecting part 1.

2. 发明专利

JP2001012758A COUPLING WITH SWITCHING VALVE 失效
公开(公告)号：JP2001012758A
公开(公告)日：2001-01-19
申请号：JP18155199
申请日：1999-06-28
申请人： OSAKA GAS CO LTD , HARMAN CO LTD
发明人： KAWAGUCHI TAKAFUMI , IGAWA KAZUHISA , NISHIMURA HIROYUKI , MORIMOTO KAZUYUKI , NISHIURA MASANAGA
IPC分类号： F24D3/10
摘要： PROBLEM TO BE SOLVED: To provide a coupling with a switching valve, which permits miniaturization, easy connection of a fluid supplying pipe for inspection to a charging port (connecting unit for inspection) and the improvement of workability in air-tight inspection. SOLUTION: An operating shaft 20 for operating a switching valve 17 to open and close a heat medium main passage 15 is constituted of a valve body whose one part is constituting a switching valve 17 to effect the communicating and intercepting function of the heat medium main passage 15 by opening and closing the switching valve 17, a communicating passage 21 formed in the shaft and communicated with the heat medium main passage 15, and a charge port 22 provided at a predetermined position so as to be communicated with the communicating passage 21. In this case, the operating shaft 20 is constituted so as to communicate the charge port 22 with a terminal instrument side connecting unit 14 at least from the charge port 22 toward the terminal instrument side connecting unit 14 when the switching valve 17 is closed and the heat source machine side connecting unit 12 is positioned at a place intercepted from the terminal instrument side connecting unit.

3. 发明专利

JP2000297942A CONNECTOR FOR PASSING HEATING MEDIUM 失效
公开(公告)号：JP2000297942A
公开(公告)日：2000-10-24
申请号：JP10418599
申请日：1999-04-12
申请人： OSAKA GAS CO LTD , HARMAN CO LTD
发明人： KAWAGUCHI TAKAFUMI , IGAWA KAZUHISA , NISHIMURA HIROYUKI , NISHIURA MASANAGA
IPC分类号： F16L41/03 , F24D3/10
摘要： PROBLEM TO BE SOLVED: To obtain a connector for passing heating medium which secures an engaging section for the U-shaped receiving section of an apparatus to be connected and can relieve the restriction on a working space by reducing the length of the auxiliary coupling section of the connector. SOLUTION: A connector for passing heating medium is provided with a main coupling section 17 and a plurality of auxiliary coupling sections 18 which are communicated with the main coupling section 17 and provided in a row at different positions in the longitudinal direction of the section 17. On the back of each auxiliary coupling section 18 positioned beside the main coupling section 17, an engaging section 20 with which a u-shaped receiving section 43 installed to an apparatus to be connected for connecting a pipe body for passing heating medium to the coupling section 18 is engaged is provided.

4. 发明专利

JP2000297940A JOINT FOR HEAT CARRIER 失效
公开(公告)号：JP2000297940A
公开(公告)日：2000-10-24
申请号：JP10418499
申请日：1999-04-12
申请人： OSAKA GAS CO LTD , HARMAN CO LTD
发明人： KAWAGUCHI TAKAFUMI , IGAWA KAZUHISA , NISHIMURA HIROYUKI , NISHIURA MASANAGA
IPC分类号： F24D3/10
摘要： PROBLEM TO BE SOLVED: To ensure a large number of pipe joint while reducing the unit price through sharing of joint body by arranging a branch joint to have a plurality of branch joints for coupling pipe. SOLUTION: A branch coupling, i.e., a Y joint 11 made of synthetic resin, comprises a tubular header side inserting part 13 being inserted into the terminal side opening 10 of a supply header 5 as a part to be coupled under internally fitted state, and two tubular flexible pipe side inserting part 14 located oppositely to the header side inserting part 13 and inserted into a terminal side supply pipe 3 as a branch joint being coupled under internally fitted state. Each flexible pipe side inserting part 14 is provided with a plurality of step parts 14a for preventing removal of pipe and a plurality of reinforcing ribs are provided integrally at the root of the flexible pipe side inserting part 14. Hot water and water supplied from the supply header 5 is shunted and supplied from each flexible pipe side inserting part 14 to the terminal side supply pipe 3.

5. 发明专利

JP2000297939A CONNECTOR FOR PASSING HEATING MEDIUM 失效
公开(公告)号：JP2000297939A
公开(公告)日：2000-10-24
申请号：JP10418399
申请日：1999-04-12
申请人： OSAKA GAS CO LTD , HARMAN CO LTD
发明人： KAWAGUCHI TAKAFUMI , IGAWA KAZUHISA , NISHIMURA HIROYUKI , NISHIURA MASANAGA
IPC分类号： F24D3/10
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive connector for passing heating medium having a light weight and a necessary strength. SOLUTION: A connector 19 for passing heating medium is provided with inserting sections 24 and 25 which are inserted into a pipe body for passing heating medium and connected to the pipe body in a fitted-in state and flange- like sections 26 and 27 which are installed to the root potions of the sections 24 and 25 in a state where the sections 24 and 25 are protruded outward in the diametral direction. The adjacent sections 28 and 32 of the inserting sections 24 and 25 adjacent to the flange-like sections 26 and 27 are formed in such a way that the diameters of the sections 28 and 32 become smaller toward the inserting sections 24 and 25 and become larger toward the flange-like sections 26 and 27. In the adjacent sections 28 and 32, a plurality of reinforcing ribs 29, 33, and 33A which are outwardly protruded in the diametral direction along the inserting directions of the inserting sections 24 and 25 are provided in a distributed state in a circumferential direction. The end faces 29a and 33a of the ribs 29, 33, and 33A on the front end side of the inserting sections 24 and 25 are formed in abutting faces which are brought into contact with the pipe body for positioning.

6. 发明专利

JP2000283474A COUPLING FOR HEAT CARRIER 失效
公开(公告)号：JP2000283474A
公开(公告)日：2000-10-13
申请号：JP9272399
申请日：1999-03-31
申请人： OSAKA GAS CO LTD , HARMAN CO LTD
发明人： KAWAGUCHI TAKAFUMI , IGAWA KAZUHISA , NISHIMURA HIROYUKI , NISHIURA MASANAGA
IPC分类号： F24D3/10
摘要： PROBLEM TO BE SOLVED: To provide a coupling for a heat carrier which can deal with the periphery of a fixed part or the piping circumstances while decreasing the unit price through standardization. SOLUTION: The coupling 5 for heat carrier comprising a straight tubular coupling body 7 having a body side pipe connecting part 22 on the outer circumference is provided with a coupler 9 being connected with one end part of the coupling body 7 in the longitudinal direction. The coupler 9 is provided with a coupler side pipe connecting part 12 and arranged to turn freely about the axis L along the longitudinal direction of the coupling body 7.

7. 发明专利

JPH11325595A HYDRAULIC PRESSURE RESPONDING APPARATUS 失效
公开(公告)号：JPH11325595A
公开(公告)日：1999-11-26
申请号：JP13933198
申请日：1998-05-21
申请人： OSAKA GAS CO LTD , HARMAN CO LTD
发明人： KAWAGUCHI TAKAFUMI , NISHIMURA HIROYUKI , MATSUBARA HIDEKI , MOTOIKE MASUO , HYODO TAKAHIKO , SAWADA MITSUO
IPC分类号： F24H1/10
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic pressure responding apparatus for facilitating an associating work with a reduction in a manufacturing cost. SOLUTION: The hydraulic pressure responding apparatus comprises a diaphragm 11 for dividing a hydraulic pressure chamber into primary and secondary sides in the state that an opening 13 of an apparatus body 12 is closed with a cover 14 to respond to a differential pressure between a hydraulic pressure of a water of the primary side flowing into a primary side hydraulic pressure chamber from an inlet provided at the body 12 and flowing out from an outlet 18 and a bypass port and a hydraulic pressure of a water of the secondary side flowing into and out of the secondary side hydraulic pressure chamber from a flowing port provided at the cover 14, and a mixing member 25 provided connectibly to the bypass port 19 to mix the water from the primary side chamber via the port 19 with hot water flowing from a hot water flowing port in such a manner that the cover 14 and the member 15 are formed of an integral molding B made of a synthetic resin.

8. 发明专利

JP2000304289A CONNECTING JOINT FOR HEAT MEDIUM 失效
公开(公告)号：JP2000304289A
公开(公告)日：2000-11-02
申请号：JP10795499
申请日：1999-04-15
申请人： OSAKA GAS CO LTD , HARMAN CO LTD
发明人： KAWAGUCHI TAKAFUMI , IGAWA KAZUHISA , NISHIMURA HIROYUKI , NISHIURA MASANAGA
IPC分类号： F24D3/10
摘要： PROBLEM TO BE SOLVED: To provide a connecting joint for a heat medium which can reduce the kinds of connectors for pipe connection through it can connect several kinds of heat medium circulation pipes different in diameter, thereby reduces the cost of connectors. SOLUTION: This is a connecting joint HD1 or HD2 for heat medium where the joint body 31 is equipped with tubular body connection part 35 and 37, and for prevention of slip out of the pipes 20 and 21 mounted in external fit state, the periphery of the body connection part 37 is provided with a plurality of steps 37b having diameters becoming smaller toward the tip of the body connection part, side by side in the longitudinal direction of the body connection part, and for prevention of the slip out of a connector for pipe connection part mounted in internal fit state on the body connection part 37, the tip of the body connection part 37 is provided with a flange-form part 37a for locking the hook F locked to the flange part of the connector.

9. 发明专利

JP2002004349A FREEZE-FRACTURE PREVENTION PLUG AND SELECTOR VALVE- ATTACHED JOINT 失效
公开(公告)号：JP2002004349A
公开(公告)日：2002-01-09
申请号：JP2000187570
申请日：2000-06-22
申请人： OSAKA GAS CO LTD , HARMAN CO LTD
发明人： IGAWA KAZUHISA , KAWAGUCHI TAKAFUMI , KATO MARIKO , KIMURA ITARU , NISHIURA MASANAGA
IPC分类号： E03B7/10 , E03C1/042 , F16K17/196 , F16K17/38 , F16K31/122 , F16L41/03 , F16L55/10 , F24D3/00
摘要： PROBLEM TO BE SOLVED: To provide a freeze-fracture prevention plug and a selector valve- attached joint capable of surely preventing the fracture of an instrument by freezing without incurring the increase of the cost of equipment or an operating cost. SOLUTION: The freeze-fracture prevention plug is constituted of an operating member 80 having a part thereof constituting a valve body 72 for opening and shutting a water passage 73, at the same time, the other part thereof used for an opening and shutting control section 74 for switching an OFF state to open the instrument 60 to the outside to an ON state to close it to the outside and a spring member 33 energizing the operating member 80 to the direction decreasing the inside volume of the instrument 60, and when the water inside of the instrument 60 is frozen to result in volume expansion, the operating member 80 is moved to the outside direction increasing the inside volume of the instrument 60 against the energizing force of the spring member 33, and the rise of inside pressure by volume expansion of water to prevent the fracture of the instrument 60.

10. 发明专利

JP2000297941A COUPLING FOR HEAT SOURCE MACHINE 失效
公开(公告)号：JP2000297941A
公开(公告)日：2000-10-24
申请号：JP10418699
申请日：1999-04-12
申请人： OSAKA GAS CO LTD , HARMAN CO LTD
发明人： KAWAGUCHI TAKAFUMI , IGAWA KAZUHISA , NISHIMURA HIROYUKI , NISHIURA MASANAGA
IPC分类号： F24D3/10
摘要： PROBLEM TO BE SOLVED: To provide a coupling for heat source machine the terminal equipment side of which can be inspected for airtightness in a state where the leaking out of a fluid for inspection can be avoided surely. SOLUTION: A coupling HD1 (HD2) for heat source machine is provided with a heat source machine-side connecting section 40, a terminal-side connecting section 35 to which terminal equipment-side heating medium flowing pipes 20 and 21 are connected, and a connecting section 41 for inspection to which a supply pipe 45 for supplying a fluid for inspection is connected, all of which are provided communicatively with each other. The coupling HD1 (HD2) is also provided with a change-over valve 42 which can be freely switched between an inspection state where the communication between the connecting sections 40 and 35 is interrupted and a heating medium flowing state in which the connecting sections 30 and 35 are communicated with each other by canceling the interruption. The connecting section 41 for inspection is provided with a check valve 43 which allows the flow of the fluid for inspection supplied from the supply pipe 45 and, at the same time, inhibits the reverse flow of the fluid in the direction opposite to the flowing direction.

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