Refrigeration – Processes – Lubricant handling
Patent
1998-04-22
2000-02-29
Diamond, Alan
Refrigeration
Processes
Lubricant handling
252 68, 62474, 62114, 62115, 62118, 4174103, C09K 504, F25B 104
Patent
active
060294590
ABSTRACT:
A refrigerating apparatus comprising a refrigeration cycle comprising at least a compressor, a condenser, a dryer, an expansion mechanism and an evaporator, a refrigerant composed mainly of a fluorocarbon type refrigerant containing no chlorine and having a critical temperature of 40.degree. C. or higher, and a refrigerating machine oil comprising as base oil an ester oil of one or more fatty acids which contains at least two ester linkages ##STR1## in the molecule and has a viscosity at 40.degree. C. of 2 to 70 cSt and a viscosity at 100.degree. C. of 1 to 9 cSt.
REFERENCES:
patent: Re19265 (1934-08-01), Midgley et al.
patent: 2807155 (1957-09-01), Williamitis
patent: 2852470 (1958-09-01), Henne et al.
patent: 4053491 (1977-10-01), Koch et al.
patent: 4234497 (1980-11-01), Honig
patent: 4788833 (1988-12-01), Steele
patent: 4826633 (1989-05-01), Carr et al.
patent: 4851144 (1989-07-01), McGraw et al.
patent: 5711165 (1998-01-01), Iizuka et al.
patent: 5964581 (1999-10-01), Iizuka et al.
"Heavy Modified Polyester Overcoated with Polyamide Imide Round Copper Magnet Wire for Hermetic Motor Applications," Properties and Requirements, Oct. 1981.
Sanvordenker, "Materials Compatibility of R134a in Refrigerant Systems," presented at the ASHRE winter meeting, Jan. 1989.
"Details of Developments of Molecular Sieves for Substitute Fluorocarbon R134a Used in Car Air Conditioners," Union Showa, Co., Ltd., Feb. 1989.
"Development of Molecular Sieves for Flon R-134a used in Automotive Air Conditioners," Union Showa Co., Ltd., Feb. 1989.
"Molecular Sieves Suitable for R22, R134a, etc.," Union Showa Co., Ltd., May 1989.
"About XH-7 and XH-9", Union Showa Co., Ltd, Nov. 1989.
Taihan Specification "Polyesterimide-Amide Copper Wire," Taihan Electric Wire Co., Ltd., Jul. 1990.
"Technical Report of Lumirror X10," Toray, Aug. 1990.
"Hermetic LPB Refrigerating Systems," Danfoss, Sep. 1990.
Decision Revoking The European Patent No. 0485979, Oct. 27, 1998.
"Hermetic LPP Refrigerating Systems for R134A" Brochure of Danfoss, Sep., 1990.
"Possible Compressor Problems in Handling HFC-134A Car Air Conditioning Systems" Brochure of Passenger Car Meeting and Exposition Dated Sep. 16-19, 1991.
"Molecular Sieves Suitable for R22, 134A, etc." Union Showa Co., Ltd., May 18, 1989 and Certificate.
"Development of Molecular Sieves for Flon R-134A Used in Automotive Air Conditioners" Mar. 2, 1989, Union Showa Co., Ltd. (With Certificate, Union Showa, Apr. 28, 1994).
"About XH-7 and XH-9" Nov. 1, 1989, Union Showa Co., Ltd. (with Certificate, Union Showa, Apr. 28, 1994).
Manual for Suitable Use of Special Flons; Japan Flon Gas Society (Date Unknown).
New Ed. 4th Print Reito Kucho Binran Basic Edition, May 30, 1981.
A Review of Synthetic Oils for Refrigeration Use; K. Sanvordenker, et al; pp. 14-19; 1972 (Month Unknown).
Conference Report Consideration on the Amount of CFCs to be Imported, Mar. 21, 1995; Mavijak, et al.
Establishing a Compressor Programme for R 134A (Danfoss); Apr., 1990; pp. 1-10.
Fatty Acid Chemistry, pp. 365-375, 1981 (With Partial English Translation) (Month Unknown).
Fourth Symposium on Refrigeration/Air-Conditioning and Refrigerating Machine Oils (With Partial English Translation); Nov. 14, 1989; pp. 6-1 to 6-8.
J. Japan. Soc. of Tribologists, vol. 35, No. 9, pp. 621-626; Sep. 15, 1990 (With Partial English Translation).
Koude & Klimaat 82. (Dec., 1989) Nr 12; Droogmiddelen Voor R134R Koelsstemen; S. L. Correll (with English Summary) pp. 16-19.
Materials Compatibility of R134A in Refrigerant Systems; Jan., 1989; CFCs: Time of Transition; American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.; pp. 211-216.
Properties and Requirements Heavy Modified Polyester Overcoated With Polyamide-Imide Round Copper Magnet Wire for Hermetic Motor Applications; Oct., 1981; pp. 233-234.
Preprints of the 1990 USNC/IIR--Purdue Refrigeration Conference and the 1990 ASHRAE--Purdue CFC Conference; Jul. 17-20, 1990; D. Tree; pp. 297-305.
Hermetic Motor Parts (Rolorex); Apr. 4, 1986; Sheets 1-13.
Synthetic Ester Lubricants (J. American Soc. Lubrication Engineers, pp. 454-458; ASLE-ASME 4th Lubrication Conference; Oct. 7-9, 1983; R. S. Barnes et al.
Specification: Polyesterimide-Amide Copper Wire (Taihan Electric Wire Co., Ltd.); Jul. 3, 1990; pp. 1-9.
Technical Report of "Lumirror" X10 (Toray); Aug. 20, 1990; (Confidential); pp. 1-22.
Thermodynamic Properties of a New Stratospherically Safe Working Fluid--Refrigerant 134: 1989; CFCs: Time of Transition; American Society of Heating, Refrigerating and Air-Conditioning . . . ; pp 104 & 115 (Month Unknown).
Kogyo Zairyo, vol. 36, No. 2; pp. 90-91, 50-51; Jan., 1988 (With Partial English Translation).
Recent Development on Magnet Wire for Hermetic Motor Use (Furukawa Denko Jiho, vol. 51, pp. 45-65; Apr., 1972).
Tendency of Regulation on Freons, etc. (Toray Industries, Inc.); Jan. 23, 1989 (Secret Document Outside the Company); pp. 1-16.
Use Examples of Ester Type Synthetic Lubricants (Nihon Reito Kuhcho Shi, Dec., 1987); pp. 17-19 (With Partial English Translation).
Closed Type Refrigerators (Author: Mutsuyoshi Kawahira) pp. 1-2, 108-117; Jun. 30, 1981; (With Partial English Translation).
Fukuda Katsumi
Hata Hiroaki
Homma Yoshiharu
Iizuka Tadashi
Iwata Hiroshi
Diamond Alan
Hitachi , Ltd.
LandOfFree
Refrigeration cycle does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Refrigeration cycle, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Refrigeration cycle will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-672370