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    • 4. 发明专利
    • PIPE JOINT AND FITTING METHOD THEREOF
    • JPH07332563A
    • 1995-12-22
    • JP4992895
    • 1995-03-09
    • NIPPON DENSO CO
    • YOSHIDA TOMONAONAMIKAWA AKIHITOOGURA KENJIENOMOTO MASAYOSHISHIRAISHI HIROAKI
    • F16L37/14
    • PURPOSE:To provide a pipe joint firmly fastened by utilizing the internal pressure of a fluid filled in the pipe joint and easily fitted/removed when the fluid is not filled in the pipe joint. CONSTITUTION:A fixing member 310 is inserted into a fixing member 320 while keeping such a position that the protruding parts 331 of the fixing member 320 and the claw parts 319b of the fixing member 310 are not axially overlapped, so as to wrap in a male side joint 50 and a female side joint 60 in the connected state, mutually from the axial direction of piping. The fixing member 320 is then rotated clockwise in the fixed state of the fixing member 310. The protruding parts 331 thereby approach protruding parts along the slant faces of the claw parts 319b. Further in the fixed state of the fixing member 310. the fixing member 320 is freed. The fixing member 320 is thereby energized by a compression coil spring 350, and each protruding part 331 is fitted between the claw part 319b and the protruding part. This energizing direction coincides with the mutually separating direction of the pipe joints by the internal pressure of a fluid.
    • 6. 发明专利
    • AGITATING DEVICE
    • JPH01288295A
    • 1989-11-20
    • JP11895488
    • 1988-05-16
    • NIPPON DENSO CO
    • ENOMOTO MASAYOSHI
    • A47L15/02D06F35/00
    • PURPOSE:To obtain the title agitating machine not to have a motor by providing plural electrode in contact with a liquid, a current supplying means to supply a current through the electrodes to the liquid and a magnetic field generating means to generate a magnetic field in one direction of the liquid, and causing a force generated with the current and magnetic field to work to the liquid. CONSTITUTION:Long electrodes 4-7 and short electrodes 8-11 to be fitted to a cover 2 of a container 1 and to cause the current to flow to a city water 3 are connected to a control part 19. A superconductive coil 12 is arranged inside a cooling part 13 filled with a liquid nitrogen 14, and it is maintained at a low temperature so as to maintain a superconductive condition. The input side of a current quantity adjusting circuit 18 is connected to the control part 19, the output side is connected to the superconductive coil 12, the circuit is equipped with three different resistances and a switching circuit to execute a changeover, and when a connection to one among three resistances is executed by a signal from the control part 19, the current corresponding to it is made to flow to the superconductive coil 12, and the magnetic field of an intensity corresponding to the current quantity is generated. When a current flowing to the liquid is executed through plural electrodes, a Lorentz's force is made to work in a direction according to a Fleming's left hand rule between the magnetic field generated by the magnetic field generating means and the current to flow to the liquid, and the liquid in the container is agitated.
    • 8. 发明专利
    • AIR CONDITIONER
    • JPH0618098A
    • 1994-01-25
    • JP17407092
    • 1992-07-01
    • NIPPON DENSO CO
    • ENOMOTO MASAYOSHIKINOSHITA HIROSHIITO SEIJI
    • F25B1/00
    • PURPOSE:To prevent the generation of excess and/or shortage of refrigerant, which is accompanied by the switching of a refrigerant circuit upon cooling and heating, and keep a refrigerant circulating amount optimally in accordance with the operating condition of an air conditioner. CONSTITUTION:A condenser 11 is connected to the delivery side of a compressor 10 while a heat exchanger 14 is connected to the suction side of the compressor 10. Upon cooling, a first solenoid valve 9 is of opened and a second solenoid valve 18 is closed whereby refrigerant does not flow through a bypass pipe 20 and flows through the condenser 11. In this case, one part of the refrigerant is reserved in a refrigerant tank 30. Upon heating, the first solenoid valve 9 is closed and the second solenoid valve 18 is opened whereby the refrigerant flows through the bypass pipe 20 and the compressing work of the compressor 10 is converted into heat while the heat is dissipated in the heat exchanger 14 through a pressure reducing device. In this case, one part of the refrigerant is reserved in a receiver 12 and the condenser 11. Sometimes the refrigerant leaks slightly under a condition that the first solenoid valve 9 or the second solenoid valve 18 is closed, however, the amount of refrigerant circulating through a refrigerating cycle can be secured without any shortage or excess in the necessary amount of the same upon cooling and heating.
    • 9. 发明专利
    • HEAT-EXCHANGER
    • JPH04155162A
    • 1992-05-28
    • JP27996990
    • 1990-10-17
    • NIPPON DENSO CO
    • ENOMOTO MASAYOSHI
    • F25B39/00F28D1/00H01L35/30
    • PURPOSE:To effectively perform the heat-exchange of the title heat-exchanger, by a method wherein a first fluid is supplied into a fluid conduit, a second fluid is supplied along each fin, and Peltier effect is displayed by each pair of a first and a second thermoelectric elements, which face to each other through each fin part. CONSTITUTION:When both a pump P and a fan 140 are started, water from a water-supplying source is supplied into a feed pipe P1 by the pump P and passes a fluid conduit 10 and flows into a discharge pipe P2. On the other hand, air-flow from the fan 140 is sent in the direction of arrow marks and is supplied along each of fins 80 to 110. D.C. power is connected to each of power source terminals 120, 130, and each pair of thermoelectric elements, 20a, 30a; 20b, 30b; 40a, 50a; 40b, 50b; 60a, 70a; and 6Ob, 70b, dilplays Peltier effect in each of the pairs, e.g. 20a and 30a. The heat from water in the conduit 10 is absorbed through the fin part of each of conduit members 13, 14, 15, and is radiated to an air flow through each of the fins 80 to 110. Since the fluid conduit 10 per se fulfills a function as the fin, heat-exchange through each of the thermoelectric elements among the fluid conduit 10 and each of the fins 80 to 110 is effectively performed.