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JP6430718B2 |
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JP6430429B2 |
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JP6430904B2 |
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JP6429943B2 |
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JP6430003B2 |
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JP6426645B2 |
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JP6427430B2 |
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JP6419186B2 |
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JP6418294B1 |
To improve the efficiency of a rotary compressor and suppress vibration. In a rotary compressor, a lower end plate is of a reed valve type that opens and closes a plurality of bolt holes provided along the circumferential direction of th...
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JP6418386B2 |
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JP6416645B2 |
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JP6408698B2 |
A rotary compressor (700) and a refrigeration cycle device (1000) having same are provided. The rotary compressor comprises: a liquid reservoir (1), a first direction control assembly (49), and a compression mechanism. The compression me...
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JP6407519B2 |
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JP6404142B2 |
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JP6400237B2 |
A scroll compressor includes a bush having a shaft part and a balance weight part. The shaft part is disposed between an orbiting bearing that supports an orbiting scroll, and an eccentric pin of a crankshaft. The balance weight part is ...
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JP6400389B2 |
Provided is a sealed-type electric compressor that can easily reduce vibration and noise simply by changing the shape of a portion of a casing, without impacting in any way a compressor mechanism and an electric motor, or the performance...
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JP6394126B2 |
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JP6391816B2 |
The present invention has a valve mechanism (50) that blocks an oil-supply flow path during non-compression operation and opens same during compression operation, said oil-supply flow path guiding lubricating oil that is inside a sealed ...
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JP6393077B2 |
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JP6383599B2 |
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JP2018127903A |
To improve COP (coefficient of performance) by securing a flow rate of a refrigerant injected to a compressor.A compressor 1 includes a low stage side compressor 152A forming a compression chamber between a fixed scroll and a movable scr...
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JP6374732B2 |
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JP2018123717A |
To inhibit occurrence of disproportionation reaction in refrigerant.A rotary compressor has a motor for driving a compression part. Refrigerant is HFO1123 refrigerant or mixed refrigerant containing HFO1123. In the rotary compressor, a f...
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JP2018123974A |
To prevent refrigerant from causing disproportionation reaction inside a compression mechanism.Refrigerant of a refrigerant circuit (11) contains fluorohydrocarbon having nature that disproportionation reaction may occur. A compression m...
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JP6370593B2 |
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JP2018119438A |
To propose a hermetic type compressor which suppresses torque fluctuation between two compression mechanisms and can achieve improvement of a coefficient of performance and a reduction in vibration, and a refrigeration cycle device.A her...
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JPWO2017187816A1 |
The cylinder rotary compressor (1) has a cylinder (21) rotatably arranged inside the housing (10) and an eccentric axis arranged inside the cylinder and eccentric with respect to the rotation center axis of the cylinder. It is equipped w...
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JP2018521252A |
The present invention relates to an electrically driven positive displacement compressor, in particular a vacuum pump (32) comprising an electrically driven motor (9) for driving the compressor and an actuating chamber (32) having an inl...
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JP2018115566A |
To improve a compression efficiency of refrigerant.When a first rotating angle of a piston positioned at a top dead center at a peripheral direction of a cylinder is set at a degree of 360 and the piston is positioned at a third rotating...
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JP6363134B2 |
This hermetic rotary compressor is equipped with a sealed container, an electric motor, two rotary compression elements driven by the electric motor, and a partition plate partitioning the two rotary compression elements. Each rotary com...
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JP3217124U |
To carry and accommodate a problem of low efficiency when drawing air to a pipeline system of a plurality of electric devices by a single vacuum pump, or carrying and accommodating when drawing air to a pipeline system of a plurality of ...
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JP2018109372A |
To suppress high-frequency pulsation due to re-expansion in each cylinder (C1, C2) with a simple constitution, in a rotary compressor including a compression mechanism (30) having a middle plate (33) and compression mechanism parts (30a,...
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JP6350843B1 |
To provide a rotary shaft of a rotary compressor capable of suppressing bending of the rotary shaft to improve efficiency, and a rotary compressor. An intermediate shaft portion 17 of a rotating shaft becomes convex in a direction inters...
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JP6349248B2 |
In a cylinder rotary compressor, a shaft-side suction passage for circulation of a refrigerant is formed within a shaft that rotatably supports a rotor. A rotor-side suction passage is provided within the rotor so as to guide the refrige...
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JP6349417B2 |
A refrigeration cycle device and a two-stage rotary compressor (100) thereof. The two-stage rotary compressor (100) includes a gas injection pipe (1), a housing (2), two cylinders, a piston and a sliding vanes; a liquid reservoir (3) is ...
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JP2018096272A |
To suppress vibrations of a compressor.A compressor 5 is equipped with a casing 10; a motor 20; and a compression mechanism 40. The casing 10 has a cylinder portion 11 having an inner diameter of first dimensions D1. The motor 20 has a r...
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JP6341908B2 |
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JP6339103B2 |
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JP6335057B2 |
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JP6334896B2 |
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JP2018513296A |
The compressor has a casing having an inner wall that defines the compression chamber, a suction port that leads to the compression chamber, a discharge port that leads out from the compression chamber, and the casing that can be rotated...
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JP6324091B2 |
A compressor includes a suction hole provided in a cylinder. The suction hole includes a plurality of portions being different in diameter and disposed from an outer circumferential side toward an inner circumferential side of the cylind...
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JP2018071476A |
To improve compressor efficiency and reliability for abrasion.A compression mechanism part 4 of a rotary compressor 1 has a plurality of compression units 4a, 4b. The plurality of compression units has rollers 52, 62, cylinders 51, 61 an...
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JP2018053874A |
To provide a high efficiency hermetic type compressor and a refrigeration cycle device in which refrigeration oil is positively supplied to a division plate and a blade abutment part to reduce leakage of refrigerant between an inside par...
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JP2018048764A |
To prevent occurrence of oil foaming of lubricant or shortage of lubricant in a sealed case due to refrigerant stagnation, in a refrigeration cycle device including a sealed compressor where two compressor bodies are stored in the sealed...
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JP6300919B2 |
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JP6302428B2 |
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JP6297346B2 |
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JP6289646B2 |
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JP6288527B2 |
A multi-stage vacuum pump comprising: first and second half-shell stator components defining a plurality of pumping chambers and for assembly together along respective longitudinally extending faces; first and second end stator component...
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