IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0959824
(2001-11-08)
|
우선권정보 |
JP-0071479 (2000-03-15) |
국제출원번호 |
PCT/JP01/02074
(2001-03-15)
|
국제공개번호 |
WO01/69087
(2001-09-20)
|
발명자
/ 주소 |
- Ebara, Toshiyuki
- Tadano, Masaya
- Yamakawa, Takashi
- Oda, Atsushi
|
출원인 / 주소 |
|
대리인 / 주소 |
Armstrong, Westerman & Hattori, LLP
|
인용정보 |
피인용 횟수 :
12 인용 특허 :
1 |
초록
▼
A double-cylinder two-stage compression rotary compressor (10) comprising a first and a second compressors (32 , 34), driven by an electric motor (14), all accommodated in a sealed container (12). The first and the second compressor (32, 34) have respective first and second cylinders (40, 42) accomm
A double-cylinder two-stage compression rotary compressor (10) comprising a first and a second compressors (32 , 34), driven by an electric motor (14), all accommodated in a sealed container (12). The first and the second compressor (32, 34) have respective first and second cylinders (40, 42) accommodating first and second rollers (48, 50), fitted on respective first and second eccentric cams (44, 46). The inner spaces of the first and second cylinders are partitioned by respective first and second vanes (52, 54) to form suction spaces and compression spaces. The two cylinders are separated by an intermediate partition panel (38), which has a central bore (36) for passing therethrough a shaft (16) of the motor (14). The center of the bore (36a) of the intermediate partition panel (38) facing the first roller (48) is offset away from the center-of the shaft (16) to an angular position having a central angle about the center of the shaft in the range of 90±45 degrees with reference to the first vane (52), and the center of the bore (36b) of the intermediate partition panel (38) facing the second roller (50) is offset about the center of the shaft (16) by an angle in the range of 270-360 degrees to increase the sealing areas of the rollers with the intermediate partition panel, thereby decreasing the leakage of the refrigerant gas and increasing volumetric efficiency and pressure efficiency of the compressor.
대표청구항
▼
A double-cylinder two-stage compression rotary compressor (10) comprising a first and a second compressors (32 , 34), driven by an electric motor (14), all accommodated in a sealed container (12). The first and the second compressor (32, 34) have respective first and second cylinders (40, 42) accomm
A double-cylinder two-stage compression rotary compressor (10) comprising a first and a second compressors (32 , 34), driven by an electric motor (14), all accommodated in a sealed container (12). The first and the second compressor (32, 34) have respective first and second cylinders (40, 42) accommodating first and second rollers (48, 50), fitted on respective first and second eccentric cams (44, 46). The inner spaces of the first and second cylinders are partitioned by respective first and second vanes (52, 54) to form suction spaces and compression spaces. The two cylinders are separated by an intermediate partition panel (38), which has a central bore (36) for passing therethrough a shaft (16) of the motor (14). The center of the bore (36a) of the intermediate partition panel (38) facing the first roller (48) is offset away from the center-of the shaft (16) to an angular position having a central angle about the center of the shaft in the range of 90±45 degrees with reference to the first vane (52), and the center of the bore (36b) of the intermediate partition panel (38) facing the second roller (50) is offset about the center of the shaft (16) by an angle in the range of 270-360 degrees to increase the sealing areas of the rollers with the intermediate partition panel, thereby decreasing the leakage of the refrigerant gas and increasing volumetric efficiency and pressure efficiency of the compressor. 268, 19831200, Bassett et al., 236/010; US-5123080, 19920600, Gillett et al., 388/934; US-5125067, 19920600, Erdman, 388/934; US-5126642, 19920600, Shahrodi, 318/433; US-5272428, 19931200, Spiegel et al., 318/803; US-5272879, 19931200, Wiggs, 060/676; US-5765380, 19980600, Misawa et al., 062/210; US-6066898, 20000500, Jensen, 290/052; US-6198174, 20010300, Nims et al., 290/052; US-6396165, 20020500, Nagano et al., 307/010.6; US-6461112, 20021000, Ohta et al., 417/026; US-20010037642, 20011100, Uchida, 060/277 ing a hot liquid, the second compartment being isolated from the first compartment such that the hot liquid and the material cannot mix, the second compartment being in thermal communication with the first compartment; wherein the second compartment has an inlet for the introduction of the hot liquid, the inlet having a removable closure; wherein the first compartment has a restricted outlet adapted for prolonged dispensing of the heated material within it, said outlet having a removable closure; and wherein the first compartment is in the form of a body that serves as the removable closure for the second compartment. 10. A container according to claim 9 wherein the first compartment contains epilatory wax. 11. A method of dispensing heated material from a container as claimed in claim 9 or 10, comprising the steps of: introducing hot water into the second compartment; closing the inlet of said second compartment using its closure; and permitting or causing the heated material within the first compartment to be dispensed through the restricted outlet.
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