Sanyo Electric Co., Ltd.

Sanyo Electric Techno Clean Co., Ltd.

Masaya Tadano

Kazuya Sato

Haruhisa Yamasaki

Kenzo Matsumoto

Toshiyuki Ebara

Satoshi Imai

Takayasu Saito

Dai Matsuura

Atsushi Oda

Takashi Sato

Hiroyuki Matsumori

Noriyuki Tsuda

Takashi Yamakawa

Takahiro Nakamura

Tetsuya Masuda

Akira Sugawara

Kenzo Matumoto

Hiroshi Mukaiyama

Koji Ono

Nobuo Koumoto

Kazuyoshi Tomochika

Shinichi Akiyama

Masafumi Nishino

Tamotsu Kawamura

Kiyokazu Fujikawa

Motohiko Kosano

Mitsuru Naganawa

Harumi Takeuchi

Masakatsu Morishige

Nobuhiro Asada

Etsushi Nagae

Takeo Komatsubara

Yoshio Ishiai

Ryoko Kubo

Toru Kawabata

Haruyuki Yamasaki

Atushi Oda

Kenzo Malumoto

There is provided a rotary compressor capable of preventing deterioration of performance following plug fixing carried out to prevent falling-off of a spring member. The rotary compressor comprises a cylinder constituting a rotary compression element, a roller engaged with an eccentric portion formed in a rotary shaft of an electric element, and eccentrically rotated in the cylinder, a vane abutted on the roller to divide an inside of the cylinder into a low pressure chamber side and a high pressure chamber side, a spring member for always pressing the vane to the roller side, a housing portion of the spring member, formed in the cylinder, and opened to the vane side and a hermetically sealed container side, a plug positioned in the hermetically sealed container side of the spring member, and inserted into the housing portion to fit into a gap, and an O ring attached around the plug to seal a part between the plug and the housing portion. In this case, a space between the cylinder and the hermetically sealed container is set smaller than a distance from the O ring to an end of the plug on the hermetically sealed container side.

Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit

There is provided an internal intermediate pressure multistage compression type rotary compressor capable of reducing a height dimension while reducing the amount of oil to be discharged outside. An electric element and first and second rotary compression elements which are driven by a rotary shaft of the electric element disposed under the electric element are provided in a hermetic shell case. There is provided a refrigerant introduction pipe for introducing refrigerant in the hermetic shell case over the electric element into the second rotary compression element through an outside of the hermetic shell case. There is provided an oil path provided in the rotary shaft for discharging oil through an oil discharge port which is positioned at the upper end of the rotary shaft. The refrigerant introduction pipe is provided such that apart of an inlet of the refrigerant introduction pipe is positioned under the upper end of a stator of the electric element.

Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method

Compressor

There is provided an internal intermediate pressure multistage compression type rotary compressor capable of reducing a height dimension while reducing the amount of oil to be discharged outside. An electric element and first and second rotary compression elements which are driven by a rotary shaft of the electric element disposed under the electric element are provided in a hermetic shell case. There is provided a refrigerant introduction pipe for introducing refrigerant in the hermetic shell case over the electric element into the second rotary compression element through an outside of the hermetic shell case. There is provided an oil path provided in the rotary shaft for discharging oil through an oil discharge port which is positioned at the upper end of the rotary shaft. The refrigerant introduction pipe is provided such that a part of an inlet of the refrigerant introduction pipe is positioned under the upper end of a stator of the electric element.

Filtering device for multistage compression type rotary compressor

Multistage compression type rotary compressor

Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit

There are disclosed a heat pump device and a drying machine using the device in which abnormal water supplying into a water-cooling heat exchanger for use in water-cooling of a heat pump can be easily detected without disposing any water amount gauge particularly. The heat pump device comprises: a water-cooling heat exchangerfor taking heat of a refrigerant which enters a capillary tubea water amount adjusting valvefor adjusting the amount of cooling water to be supplied to the water-cooling heat exchangera temperature sensororfor detecting temperature of the cooling water in the water-cooling heat exchangeror temperature of the refrigerant passed through the water-cooling heat exchanger; and a control unitfor controlling the water amount adjusting valveand the control unit judges abnormal water supplying into the water-cooling heat exchangerin accordance with the controlling state of the water amount adjusting valveand a change of the temperature detected by the temperature sensor under the controlling state.

Heat pump device and drying machine

An object is to provide a drying machine which can accomplish delicate drying and reduce burdens on a matter to be dried during drying while securing a predetermined evaporation temperature in an evaporator. In summary, a dry cleaner equipped with a heat pump device comprises a water-cooling heat exchanger which removes heat from a refrigerant entering a capillary tube; and a control device which variably controls a discharged heat amount in the water-cooling heat exchanger and capacity of the compressor, wherein the control device has at least two kinds of drying modes including a usual drying mode and a delicate drying mode, and in the delicate drying mode, a temperature of air discharged into a storage chamber is set lower than in the usual drying mode to control the capacity of the compressor and to increase the discharged heat amount in the water-cooling heat exchanger.

Drying machine

An object of the present invention is to provide a method for manufacturing a multi-stage compression type rotary compressor which can avoid the replacement of parts to be used as much as possible to reduce costs and also which enables easily setting an appropriate displacement volume ratio while preventing the compressor from being increased in size. The gist of the present invention is that an inner diameter of a lower cylinder is altered without altering its thickness (or height), and a displacement volume ratio between first and second rotary compression elements is set to an optimum value in accordance with the alteration.

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

There is provided a rotary compressor capable of preventing deterioration of performance following plug fixing carried out to prevent falling-off of a spring member. The rotary compressor comprises a cylinder constituting a rotary compression element, a roller engaged with an eccentric portion formed in a rotary shaft of an electric element, and eccentrically rotated in the cylinder, a vane abutted on the roller to divide an inside of the cylinder into a low pressure chamber side and a high pressure chamber side, a spring member for always pressing the vane to the roller side, a housing portion of the spring member, formed in the cylinder, and opened to the vane side and a hermetically sealed container side, a plug positioned in the hermetically sealed container side of the spring member, and inserted into the housing portion to form a gap, and an O ring attached around the plug to seal a part between the plug and the housing portion. In this case, a space between the cylinder and the hermetically sealed container is set smaller than a distance from the O ring to an end of the plug on the hermetically sealed container side.

Refrigeration system having a rotary compressor

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Nitta-gun, Japan

Masaya Tadano