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公开(公告)号：JPH0777364A
公开(公告)日：1995-03-20
申请号：JP22174693
申请日：1993-09-07
Applicant: MATSUSHITA REFRIGERATION
Inventor： MANGYO MASAO
Abstract: PURPOSE:To provide a freezer in which refrigerant and a freezer oil having no compatibility with the refrigerant are used, and which can easily be manufactured to maintain a low price. CONSTITUTION:In a freezer system in which refrigerant of HFC-134a and freezer oil composed of alkylbenzene and naphthene mineral oil having no compatibility with the refrigerant are enclosed in correspondence with full elimination of CFC, the refrigerant and oil are mixed to each other and the mixture substance enters from a capillary tube 53 into an upper part 60 of an evaporator coil. The refrigerant evaporates and the evaporated refrigerant and oil are moved downward in sequence and reach the lowest point 61 of the evaporator coil. Accordingly, alkylbenzene, and naphthene mineral oil not compatible with the refrigerant can be used without any shortage of oil in a compressor.
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公开(公告)号：JPH06288662A
公开(公告)日：1994-10-18
申请号：JP7782793
申请日：1993-04-05
Applicant: MATSUSHITA REFRIGERATION
Inventor： KAWASHIMA TAKAO , MANGYO MASAO
IPC: F25B43/00
Abstract: PURPOSE:To enhance the reliability of a refrigeration system and stabilize its performance by adsorbing acid, alcohol and generated gas produced by hydrolyzing of ester with zeolite and special aluminum. CONSTITUTION:A dryer 8 of a refrigeration system which encapsulates an oil which is mainly composed of HFC 134a and ester, is segmented into a molecular sheave C combined with a selection adsorbent and a single ingredient zeolite B and a single ingredient zeolite C with a wire netting filter 17 in the upper stream of a filter 13 in a main body 11.
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公开(公告)号：JPH0674574A
公开(公告)日：1994-03-15
申请号：JP22693492
申请日：1992-08-26
Applicant: MATSUSHITA REFRIGERATION
Inventor： MANGYO MASAO , KURABAYASHI TAKANAO , IIDA KEIZO
IPC: F25B1/00
Abstract: PURPOSE:To provide an automatically opening and closing valve (not electrically operated), which acts when it senses overheating of the compressor resulting from hard use and effects powerful cooling of the compressor by injection, in order to improve the reliability of the compressor and prolong the service life thereof. CONSTITUTION:The temperature of a sealed refrigerating compressor 21 during operation is sensed and, only when this temperature is high, a temperature- activated automatic opening-closing valve 27 provided in a bypass 25 which is connected from a condenser 2 to the high-temperature part in the cylinder is opened so as to inject into the high-temperature part liquid refrigerant being the condensate in a condenser 2. When the temperature of the compressor 21 is low, the temperature-activated automatic opening-closing valve 27 is closed.
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公开(公告)号：JPH062660A
公开(公告)日：1994-01-11
申请号：JP16067492
申请日：1992-06-19
Applicant: MATSUSHITA REFRIGERATION
Inventor： MANGYO MASAO , ONO TAKESHI
Abstract: PURPOSE:To reduce vibration of a closed casing, and reduce noise by providing metallic bellowses in the middle of a suction line and a delivery line in the closed casing. CONSTITUTION:A metallic bellows 20 is communicated airtightly with a suction pipe 21 and an insertion pipe 22, and the insertion pipe 22 is inserted into an inlet hole of a muffler 5 through an elastic body 23. A metallic bellows 26 connected consecutively to a delivery line 25 to communicate a delivery muffler 9 fixed to a compression element 3 with a delivery pipe 24, is also provided. Thereby, vibration of the compression element 3 is transmitted to a closed casing 1 after being absorbed significantly by the metallic bellowses 20 and 26. Thereby, vibration of the closed casing 1 for which low vibration is desired by users can be restrained in equal to or smaller than 10 microns.
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公开(公告)号：JPH05141359A
公开(公告)日：1993-06-08
申请号：JP30160991
申请日：1991-11-18
Applicant: MATSUSHITA REFRIGERATION
Inventor： MANGYO MASAO , KAWAI HIDEKI , SAEKI YUJI , WADA SATOSHI , OZAKA MASAHIKO
Abstract: PURPOSE:To provide a compressor wherein a connecting rod not needing a man power required for its assembly is provided and excellent assembly workability with which response to change of the kind of a device is facilitated through replacement of a large end part is provided. CONSTITUTION:A crank shaft 20 is provided with shaft parts 20a and 20b and an eccentric part 21 is securely pressed therein. A connecting rod 22 comprises three parts consisting of a large end part, a small end part, and a connecting part and the three parts are fixed by electric welding. The one end is fitted in the eccentric part 21 and the other end is coupled to a piston 12.
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Patent Agency Ranking
公开(公告)号：JPH05133336A
公开(公告)日：1993-05-28
申请号：JP29692891
申请日：1991-11-13
Applicant: MATSUSHITA REFRIGERATION
Inventor： MANGYO MASAO , MATSUHASHI IKUHIRO
Abstract: PURPOSE:To improve energy efficiency with a simplified part by pressing and closing a delivery hole, provided in a long circular arc-shaped recessed part of a valve plate, with a delivery reed with the section formed in almost C-shape. CONSTITUTION:A valve plate 20 fixed to a cylinder block 9 by an opening end 7 and a long recessed part 32 formed in a side opposed to a piston 11 in this valve plate 20 are provided. Two delivery holes 29 are formed in this recessed part 32, and also a delivery reed 35 of almost C-shaped section for independently closing each delivery hole 29 is provided in this recessed part 32 while the reed 35 is energized in a direction of closing the two delivery holes 29. That is, one end of the C-shaped delivery reed 35 is secured to a delivery reed holder 42, and the other end presses the delivery hole 29 of the valve plate 20 to close the hole 29. In this way, staying accumulation of refrigerant gas in the delivery hole 29 of the valve plate 20 is minimized to improve compression efficiency. Since a plurality of the delivery reeds 35 are provided, an overcompression loss can be prevented.
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公开(公告)号：JPH0599148A
公开(公告)日：1993-04-20
申请号：JP25339291
申请日：1991-10-01
Applicant: MATSUSHITA REFRIGERATION
Inventor： MANGYO MASAO , WADA SATOSHI , ONO TAKESHI
IPC: F04B39/02
Abstract: PURPOSE:To further increase efficiency, in a closed type motor-operated compressor used in a refrigerator. CONSTITUTION:A ball bearing 25 pivotally supporting a crankshaft 24 is provided and an oil discharge hole 27 of the crankshaft is formed. Further, an oil stopper 29 situated to a crank eccentric part 27 is provided and the oil stopper 29 is disposed facing the oil delivery hole 27. This constitution causes foggy oil 33a to fall on a rolling part.
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公开(公告)号：JPH0510262A
公开(公告)日：1993-01-19
申请号：JP16274591
申请日：1991-07-03
Applicant: MATSUSHITA REFRIGERATION
Inventor： MANGYO MASAO , ONO TAKESHI , KITA ICHIRO
Abstract: PURPOSE:To obtain a hermetic type compressor which is used for a refrigerator, etc., and has the quiet operation sound by devising the shape of a sealed container and the installation of parts. CONSTITUTION:A supporting device 24 consists of a suspension spring 25, cylindrical snap bar 26, and a snap bar stay 27 which is formed to the sperical surface which is nearly equal to the spherical surface of a sealed container 20 and whose edge part is fixed with the snap bar. Further, the snap bar stay 27 adheres to the spherical surface of the sealed container 20 by welding.
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公开(公告)号：JPH0510260A
公开(公告)日：1993-01-19
申请号：JP16274691
申请日：1991-07-03
Applicant: MATSUSHITA REFRIGERATION
Inventor： MANGYO MASAO , ONO TAKESHI , TSUCHIYA KOICHI
Abstract: PURPOSE:To reduce noise of a hermetic type compressor used for a refrigerator, etc., by suppressing the pulsation of the discharged gas and eliminating the blow-back of the intake gas. CONSTITUTION:A bellows shaped flexible cap 31 is installed in a discharge chamber 30, and arranged, keeping a gap from a communicating pipe 35, and a suction hole 37 is formed on an intake muffler 39, and opened and closed by a reed 38.
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公开(公告)号：JPH04284187A
公开(公告)日：1992-10-08
申请号：JP4662491
申请日：1991-03-12
Applicant: MATSUSHITA REFRIGERATION
Inventor： MANGYO MASAO
Abstract: PURPOSE:To obtain a compressor having the less number of parts and assembly manhour and the less input and the superior energy efficiency by removing an inner race which is used for ball bearing in the conventional and using a crankshaft having and an inner race trajectory formed on a part of the shaft, in substitution. CONSTITUTION:A ball bearing 26 is constituted of an outer race 29 which is formed by press-fitting an outer peripherg in a bearing part 27, trajectory of the outer race 29, balls 28 which roll between an inner race trajectory 25a formed at a part of a crankshaft, and a retainer 30 for holding the balls, 28, and axially supports the crankshaft 25.
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