[특허]Compressor and oil amount management system for compressor

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특허 상세정보

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Compressor and oil amount management system for compressor

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-049/00 F25B-031/00 B01D-046/00 B01D-045/16 B01D-045/08 F25B-009/14 F25B-049/02
출원번호	US-0513243 (2014-10-14)
등록번호	US-9689593 (2017-06-27)
우선권정보	JP-2013-214889 (2013-10-15)
발명자 / 주소	Ikushima, Yuki
출원인 / 주소	SUMITOMO HEAVY INDUSTRIES, LTD.
대리인 / 주소	Buchanan Ingersoll & Rooney PC
인용정보	피인용 횟수 : 0 인용 특허 : 13

초록

A compressor compresses a coolant gas returned from a refrigerator and supplies the coolant gas to the refrigerator. A compression capsule compresses the coolant gas and cools compression heat generated by compressing the coolant gas, using oil. An oil separator separates and stores the oil contained in the coolant gas compressed by the compression capsule. A capsule oil level gauge that measures an oil level in the compression capsule. A separator oil level gauge that measures an oil level in the oil separator.

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1. A compressor that compresses a coolant gas comprising: at least one refrigerator pipe that connects to a refrigerator and through which the coolant gas is supplied to or returned from the refrigerator; a compression capsule that compresses the coolant gas and cools compression heat generated by compressing the coolant gas, using oil; an oil separator that separates and stores the oil contained in the coolant gas compressed by the compression capsule; an oil return pipe that returns the oil stored in the oil separator to the compression capsule, a determination device comprising a calculator that calculates an indicator indicating an amount of oil in the compressor and a determination unit that determines a state of circulation of oil in the compressor based on the calculated indicator; a capsule oil level gauge that measures an oil level in the compression capsule and transmits the measured oil level in the compression capsule to the calculator; and a separator oil level gauge that measures an oil level in the oil separator and transmits the measured oil level in the oil separator to the calculator, wherein the calculator calculates the indicator based on the oil level in the compression capsule measured and transmitted by the capsule oil level gauge and the oil level in the oil separator measured and transmitted by the separator oil level gauge, and wherein the determination device comprises: a storage that stores a capsule oil level table that maps the oil level in the compression capsule to an amount of oil in the compression capsule and a separator oil amount table that maps the oil level in the oil separator to an amount of oil in the oil separator, and a hardware processor configured to: control a capsule oil amount obtaining unit to obtain the measured oil level in the compression capsule from the capsule oil level gauge, refer to the capsule oil level table stored in the storage, and obtain an amount of oil in the compression capsule based on the measured oil level in the compression capsule and the capsule oil amount table; control a separator oil amount obtaining unit to obtain the measured oil level in the oil separator from the separator oil level gauge, refer to the separator oil amount table stored in the storage, and obtain an amount of oil in the oil separator based on the measured oil level in the oil separator and the separator oil amount table; and control a total amount obtaining unit to obtain a total amount of oil in the compressor based on the amount of oil in the compression capsule obtained by the capsule oil amount obtaining unit and the amount of oil in the oil separator obtained by the separator oil amount obtaining unit. 2. The compressor according to claim 1, wherein the determination unit includes a total amount determination unit that is controlled by the hardware processor to determine whether the total amount of oil obtained by the total amount obtaining unit is included in a compressor oil amount range defined as the amount of oil that should be in the compressor. 3. The compressor according to claim 2, wherein the hardware processor is configured to notify a notification unit if the total amount of oil obtained by the total amount obtaining unit is outside the compression oil amount range. 4. The compressor according to claim 1, wherein the determination unit includes:a capsule oil amount determination unit that is controlled by the hardware processor to determine whether the oil amount obtained by the capsule oil amount obtaining unit is included in a capsule oil amount range defined as the amount of oil that should be in the compression capsule; anda separator oil amount determination unit that is controlled by the hardware processor to determine whether the amount of oil obtained by the separator oil amount obtaining unit is included in a separator oil amount range defined as the amount of oil that should be stored in the oil separator. 5. The compressor according to claim 4, wherein the hardware processor is configured to notify a notification unit if the amount of oil obtained by the capsule oil amount obtaining unit is outside the capsule oil amount range or if the amount of oil obtained by the separator oil amount obtaining unit is outside the separator oil amount range. 6. A compressor oil amount management system, comprising: a refrigerator; anda compressor oil circulation path including:a compression capsule that compresses a coolant gas returned from the refrigerator and cools compression heat generated by compressing the coolant gas, using oil;an oil separator that separates and stores the oil contained in the coolant gas compressed by the compression capsule;a determination device comprising a calculator that calculates a total amount of oil in the compressor oil circulation path;a capsule oil level gauge that measures an oil level in the compression capsule and transmits the measured oil level in the compression capsule to the calculator for calculation of the total amount of oil in the compressor oil circulation path; anda separator oil level gauge that measures an oil level in the oil separator and transmits the measured oil level in the oil separator to the calculator for the calculation of the total amount of oil in the compressor oil circulation path, whereinwherein the determination device comprises:a storage that stores a capsule oil level table that maps the oil level in the compression capsule to an amount of oil in the compression capsule and a separator oil amount table that maps the oil level in the oil separator to an amount of oil in the oil separator, anda hardware processor configured to:control a capsule oil amount obtaining unit to obtain the measured oil level in the compression capsule from the capsule oil level gauge, refer to the capsule oil level table stored in the storage, and obtain an amount of oil in the compression capsule based on the measured oil level in the compression capsule and the capsule oil amount table;control a separator oil amount obtaining unit to obtain the measured oil level in the oil separator from the separator oil level gauge, refer to the separator oil amount table stored in the storage, and obtain an amount of oil in the oil separator based on the measured oil level in the oil separator and the separator oil amount table; andcontrol a total amount obtaining unit to obtain a total amount of oil in the compressor based on the amount of oil in the compression capsule obtained by the capsule oil amount obtaining unit and the amount of oil in the oil separator obtained by the separator oil amount obtaining unit.

이 특허에 인용된 특허 (13)

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Compressor and oil amount management system for compressor

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Compressor and oil amount management system for compressor

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이 특허에 인용된 특허 (13)

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