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公开(公告)号：DE69731674D1
公开(公告)日：2004-12-23
申请号：DE69731674
申请日：1997-01-22
Applicant: MATSUSHITA REFRIGERATION
Inventor： TANAKA YASUHIKO , KITA ICHIRO , UMEOKA IKUTOMO
Abstract: An electrically-operated sealed compressor includes a cylinder, a cylinder head mounted on the cylinder and having a suction chamber and first and second discharge chambers, a piston accommodated in the cylinder, and a valve mechanism. The valve mechanism includes a suction muffler and a valve plate having at least one suction port, first and second discharge ports, and first and second pass holes. The first discharge port and the first pass hole communicate with the first discharge chamber, while the second discharge port and the second pass hole communicate with the second discharge chamber. The valve mechanism also includes first and second discharge valves mounted on the valve plate and accommodated in the first and second discharge chambers, respectively, a suction reed having a reed valve for selectively opening and closing the suction port, a discharge gasket for sealing the valve plate and the cylinder head, and a discharge muffler. The first and second discharge chambers are separated from each other by the discharge gasket to form respective independent spaces, while the first and second pass holes communicate with the discharge muffler.
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公开(公告)号：DE69730458D1
公开(公告)日：2004-09-30
申请号：DE69730458
申请日：1997-01-22
Applicant: MATSUSHITA REFRIGERATION
Inventor： TANAKA YASUHIKO , KITA ICHIRO , UMEOKA IKUTOMO
Abstract: An electrically-operated sealed compressor includes a cylinder, a cylinder head mounted on the cylinder and having a suction chamber and first and second discharge chambers, a piston accommodated in the cylinder, and a valve mechanism. The valve mechanism includes a suction muffler and a valve plate having at least one suction port, first and second discharge ports, and first and second pass holes. The first discharge port and the first pass hole communicate with the first discharge chamber, while the second discharge port and the second pass hole communicate with the second discharge chamber. The valve mechanism also includes first and second discharge valves mounted on the valve plate and accommodated in the first and second discharge chambers, respectively, a suction reed having a reed valve for selectively opening and closing the suction port, a discharge gasket for sealing the valve plate and the cylinder head, and a discharge muffler. The first and second discharge chambers are separated from each other by the discharge gasket to form respective independent spaces, while the first and second pass holes communicate with the discharge muffler.
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公开(公告)号：DE69724050T2
公开(公告)日：2004-06-09
申请号：DE69724050
申请日：1997-01-22
Applicant: MATSUSHITA REFRIGERATION
Inventor： TANAKA YASUHIKO , KITA ICHIRO , UMEOKA IKUTOMO
Abstract: An electrically-operated sealed compressor includes a cylinder, a cylinder head mounted on the cylinder and having a suction chamber and first and second discharge chambers, a piston accommodated in the cylinder, and a valve mechanism. The valve mechanism includes a suction muffler and a valve plate having at least one suction port, first and second discharge ports, and first and second pass holes. The first discharge port and the first pass hole communicate with the first discharge chamber, while the second discharge port and the second pass hole communicate with the second discharge chamber. The valve mechanism also includes first and second discharge valves mounted on the valve plate and accommodated in the first and second discharge chambers, respectively, a suction reed having a reed valve for selectively opening and closing the suction port, a discharge gasket for sealing the valve plate and the cylinder head, and a discharge muffler. The first and second discharge chambers are separated from each other by the discharge gasket to form respective independent spaces, while the first and second pass holes communicate with the discharge muffler.
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公开(公告)号：DE69724050D1
公开(公告)日：2003-09-18
申请号：DE69724050
申请日：1997-01-22
Applicant: MATSUSHITA REFRIGERATION
Inventor： TANAKA YASUHIKO , KITA ICHIRO , UMEOKA IKUTOMO
Abstract: An electrically-operated sealed compressor includes a cylinder, a cylinder head mounted on the cylinder and having a suction chamber and first and second discharge chambers, a piston accommodated in the cylinder, and a valve mechanism. The valve mechanism includes a suction muffler and a valve plate having at least one suction port, first and second discharge ports, and first and second pass holes. The first discharge port and the first pass hole communicate with the first discharge chamber, while the second discharge port and the second pass hole communicate with the second discharge chamber. The valve mechanism also includes first and second discharge valves mounted on the valve plate and accommodated in the first and second discharge chambers, respectively, a suction reed having a reed valve for selectively opening and closing the suction port, a discharge gasket for sealing the valve plate and the cylinder head, and a discharge muffler. The first and second discharge chambers are separated from each other by the discharge gasket to form respective independent spaces, while the first and second pass holes communicate with the discharge muffler.
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公开(公告)号：HK1008791A1
公开(公告)日：1999-05-21
申请号：HK98109530
申请日：1998-07-29
Applicant: MATSUSHITA REFRIGERATION
Inventor： TANAKA YASUHIKO , KITA ICHIRO , UMEOKA IKUTOMO
Abstract: An electrically-operated sealed compressor includes a cylinder, a cylinder head mounted on the cylinder and having a suction chamber and first and second discharge chambers, a piston accommodated in the cylinder, and a valve mechanism. The valve mechanism includes a suction muffler and a valve plate having at least one suction port, first and second discharge ports, and first and second pass holes. The first discharge port and the first pass hole communicate with the first discharge chamber, while the second discharge port and the second pass hole communicate with the second discharge chamber. The valve mechanism also includes first and second discharge valves mounted on the valve plate and accommodated in the first and second discharge chambers, respectively, a suction reed having a reed valve for selectively opening and closing the suction port, a discharge gasket for sealing the valve plate and the cylinder head, and a discharge muffler. The first and second discharge chambers are separated from each other by the discharge gasket to form respective independent spaces, while the first and second pass holes communicate with the discharge muffler.
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Patent Agency Ranking
公开(公告)号：JP2000121210A
公开(公告)日：2000-04-28
申请号：JP29350498
申请日：1998-10-15
Applicant: MATSUSHITA REFRIGERATION
Inventor： TANAKA YASUHIKO
IPC: F25B49/02
Abstract: PROBLEM TO BE SOLVED: To realize a compact constitution and improve in the assemblage and maintenance, in an electrical connecting device for a closed type electric motor-driven compressor which is located at a narrow space in a refrigerator or the like. SOLUTION: A first and a second clamping portions 31, 35 which, respectively, clamp a power source cord and a control cord, are arranged so as to be superposed with each other. Thus, the width of a cord clamping portion 24 can be constituted in a required minimum so as to be compact. Further, assembly and maintenance characteristics can be improved by making an insertion into a bracket for fixed engagement.
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公开(公告)号：JP2000087856A
公开(公告)日：2000-03-28
申请号：JP25655698
申请日：1998-09-10
Applicant: MATSUSHITA REFRIGERATION
Inventor： ODA MASATAKA , TANAKA YASUHIKO
IPC: F04B39/02
Abstract: PROBLEM TO BE SOLVED: To sufficiently secure performance of a lubrication pump even with a rotary shaft of a comparatively small diameter by attaching the lubrication pump in a cylindrical bore formed on a lower end of the rotary shaft and forming an oblique passage and a spiral passage so as to be communicated with the cylindrical bore. SOLUTION: In a closed type electrically driven compressor 1, a compressor unit composed of an electrically driven motor 3, a compression mechanism 4, and a block 5 for integrating them is housed in a closed casing 2. In such a compressor 1, a large end of a connecting rod 10 is connected to an eccentric shaft 9 on an upper end of a rotary shaft 7 pivoted to a bearing 8 of the block 5. A piston 13 is connected to a small end by means of a piston pin 11. An oil supply pump 17 is press-fitted and connected to a cylindrical bore 18 of a small-diameter formed on a lower end of the rotary shaft 7. An oblique passage 19 extended obliquely upward from the upper end of the cylindrical bore 18 is formed on the rotary shaft 7. A spiral groove 20 is formed so as to be communicated with the upper end of the oblique passage 19. An upper end of the spiral groove 20 is communicated with an eccentric passage 23 in the eccentric shaft 9.
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公开(公告)号：JPH10196537A
公开(公告)日：1998-07-31
申请号：JP429697
申请日：1997-01-14
Applicant: MATSUSHITA REFRIGERATION
Inventor： KITA ICHIRO , TANAKA YASUHIKO , UMEOKA IKUTOMO
Abstract: PROBLEM TO BE SOLVED: To improve the assemblage of the large end part and the small end part of a connecting rod, and reduce a rotational load due to the shaft torsion of a large end hole and a small end hole, in a reciprocating piston compressor used for a domestic refrigerator and so on. SOLUTION: The cylindrical locking part 22c of the rod part 22b of a small end part 22 is inserted in a cylindrical hole part 25b formed transverse to the large end hole 25a of a large end part 25, and also a locking pin 26 is inserted in a fixed hole 25c, thereby a connecting rod 21 is assembled while having a few degrees of torsional freedom around the shaft of the rod part 22b. Therefore, the workability and assemblage of the connecting rod 21 can be, of course, improved, and the shaft torsion of the large end hole 25a and the small end hole 22a are absorbed, so that the reduction of a rotational load and a lowering of efficiency can be prevented.
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公开(公告)号：JPH09228951A
公开(公告)日：1997-09-02
申请号：JP3773096
申请日：1996-02-26
Applicant: MATSUSHITA REFRIGERATION
Inventor： KITA ICHIRO , TANAKA YASUHIKO , UMEOKA IKUTOMO
IPC: F04B39/10
Abstract: PROBLEM TO BE SOLVED: To facilitate assembly by decreasing an interference noise of refrigerant gas while rationalizing efficiency of two delivery valves, in a valve device of a relatively small sized compressor used in a home refrigerator or the like. SOLUTION: By bending a first/second stopper 234, 235 at an angle Θ1, Θ2 so that a lift amount in respective end points 238, 239 from a bending part 237 is h1, h2, a first/second delivery valve 231, 232 provides a respectively different lift amount, so as to make behavior different when refrigerant gas is delivered, by respectively providing a proper lift in accordance with ability, delivery efficiency is rationalized, also action, preventing increasing of a fluid noise by mutual interference generated by making very approximate moving of the first/second delivery valve 231, 232, is provided.
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公开(公告)号：JP2563300B2
公开(公告)日：1996-12-11
申请号：JP2284187
申请日：1987-02-03
Applicant: MATSUSHITA REFRIGERATION
Inventor： TANAKA YASUHIKO
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