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    • 51. 发明专利
    • Rotary compressor
    • 旋转式压缩机
    • JP2013044314A
    • 2013-03-04
    • JP2011184749
    • 2011-08-26
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • TATEISHI TAICHISATO SOMIURA SHIGEKIEZAKI IKUOOGAWA MAKOTO
    • F04C29/02F04B39/04F04C29/00
    • PROBLEM TO BE SOLVED: To provide a rotary compressor capable of separating lubricating oil contained in a refrigerant without increasing the weight of a rotor and moreover without providing an extra space around the rotor.SOLUTION: An electric motor 40 for driving a rotary compression mechanism part includes a stator 60 fixed to a housing 11, and a rotor 41 arranged on the inner peripheral side of the stator 60 and rotated when electric power is supplied to the stator 60. The rotor 41 is provided with a refrigerant passing passage 44 for allowing the refrigerant compressed in the compression mechanism part, to flow toward a discharge port, and a separation oil passage 45 with one end connected to the refrigerant passing passage 44 and with the other end opened to the outside surface of the rotor 41. Under the action of centrifugal force associated with the rotation of the rotor 41, the lubricating oil that flows in the refrigerant passing passage 44 together with the refrigerant, is centrifugally separated to the outer peripheral side of the rotor 41 and returned to an oil reservoir 51 through the separation oil passage 45.
    • 要解决的问题:提供一种能够分离制冷剂中所含的润滑油的旋转式压缩机,而不增加转子的重量,而且不会在转子周围提供额外的空间。 解决方案:用于驱动旋转压缩机构部分的电动机40包括固定到壳体11的定子60和设置在定子60的内周侧上的转子41,并且当电力被供给到定子 转子41设置有制冷剂通过通道44,用于允许在压缩机构部分中压缩的制冷剂朝向排出口流动,分离油通道45的一端连接到制冷剂通过通道44,并且与 另一端向转子41的外表面开口。在与转子41的旋转相关联的离心力的作用下,与制冷剂一起在制冷剂通过通道44中流动的润滑油被离心分离成外周 转子41的一侧,并通过分离油路45返回到储油器51.版权所有(C)2013,JPO&INPIT
    • 52. 发明专利
    • Rotary compressor
    • 旋转式压缩机
    • JP2012149545A
    • 2012-08-09
    • JP2011007353
    • 2011-01-17
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • TATEISHI TAICHISATO SOMIURA SHIGEKIEZAKI IKUOOGAWA MAKOTO
    • F04C18/356F04C29/00
    • PROBLEM TO BE SOLVED: To provide a rotary compressor capable of suppressing the occurrence of noise.SOLUTION: In a shaft 23, a contact shoe part 50A is formed on the under side of a lower eccentric shaft part 40B. The lower surface 50a of the contact shoe part 50A and the bottom surface 52a of a recessed part 52 come into face contact with each other and, thereby, the loads of the shaft 23 and the piston rotors 21A, 21B are supported. Lubrication oil mixed in coolant is interposed between the lower surface 50a of the contact shoe part 50A and the bottom surface 52a of the recessed part 52 and the lubrication oil exhibits a damping effect for a relative displacement of the up and down direction (thrust direction) between a bearing 29B on the under side and the shaft 23.
    • 要解决的问题:提供一种能够抑制噪声发生的旋转式压缩机。 解决方案:在轴23中,接触靴部分50A形成在下偏心轴部分40B的下侧。 接触靴部件50A的下表面50a和凹部52的底面52a彼此面接触,从而支撑轴23和活塞转子21A,21B的负载。 混合在冷却剂中的润滑油插入在接触靴部分50A的下表面50a和凹陷部分52的底表面52a之间,并且润滑油具有用于上下方向(推力方向)的相对位移的阻尼效果, 在下侧的轴承29B和轴23之间。版权所有(C)2012,JPO&INPIT
    • 53. 发明专利
    • Compressor
    • 压缩机
    • JP2011241804A
    • 2011-12-01
    • JP2010117190
    • 2010-05-21
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • EZAKI IKUOMIURA SHIGEKIOGAWA MAKOTONOGUCHI AKIHIRO
    • F04B39/00
    • PROBLEM TO BE SOLVED: To provide a compressor, in which the depth of an annular groove for forming an annular thin-walled portion at a bearing end (at the end of a shaft hole) is suppressed to a minimum value required for the side of a rotating shaft.SOLUTION: The annular thin-walled portion 12A formed by the annular groove 13A concentric with the shaft hole 11 is provided at the end of the shaft hole of a bearing supporting the rotating shaft 1 of a compression mechanism, and the inlet end 15 of the annular groove 13A and the effective shaft end 16 of the rotating shaft 1 are substantially matched with each other in a rotating shaft direction.
    • 要解决的问题:提供一种压缩机,其中用于在轴承端(在轴孔的端部处)形成环形薄壁部分的环形槽的深度被抑制到所需的最小值 旋转轴的一侧。 解决方案:由与轴孔11同心的环形槽13A形成的环形薄壁部12A设置在支承压缩机构的旋转轴1的轴承的轴孔的端部,并且入口端 环形槽13A的轴15和旋转轴1的有效轴端16在旋转轴方向上基本上彼此匹配。 版权所有(C)2012,JPO&INPIT
    • 58. 发明专利
    • MEMBER COATED WITH BORON NITRIDE
    • JPH04136157A
    • 1992-05-11
    • JP25742790
    • 1990-09-28
    • MITSUBISHI HEAVY IND LTD
    • YAMASHITA NOBUKIWADA TETSUYOSHIMORITA SHOJIOGAWA MAKOTO
    • C23C14/06
    • PURPOSE:To produce the member which is coated with boron nitride and is additionally improved in hardness by incorporating a rare gas into a boron nitride coating at the time of forming this boron nitride film on a substrate. CONSTITUTION:The inside of a reaction chamber 1 and a vacuum chamber 3 is previously discharged and a gaseous mixture composed of diborane and argon (about 10vol.% diborane) is introduced from a gas introducing pipe 2 into these chambers The inside thereof is maintained under a prescribed pressure and a base material 7 is heated to a prescribed temp. by a heater 9. A magnetic field is then impressed into the reaction chamber 1 by a coil 5 for impressing the magnetic field and microwaves are introduced via an introducing pipe 4 into the reaction chamber 1 to generate electron cyclotron resonance plasma. A high-frequency electric power is impressed from a high-frequency power source 11 to a base material holder 6 to generate self-biasing. The boron nitride film contg. the argon is formed on the base material 7 (high-speed steel, etc.) and the member coated with the boron nitride having the excellent hardness is obtd. This member is adequate for cutting tools and sliding members, such as bearings and slides of various rotating machines.