[특허]Device for supplying lubricant and bearing assembly therewith

Lincoln GmbH

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Device for supplying lubricant and bearing assembly therewith

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16C-033/66 F16N-027/00
미국특허분류(USC)	184/007.4;
출원번호	US-0602666 (2008-05-08)
등록번호	US-8701836 (2014-04-22)
우선권정보	DE-20 2007 008 531 U (2007-06-14)
국제출원번호	PCT/EP2008/003685 (2008-05-08)
§371/§102 date	20091202 (20091202)
국제공개번호	WO2008/151698 (2008-12-18)
발명자 / 주소	Paluncic, Zdravko
출원인 / 주소	Lincoln GmbH
대리인 / 주소	Senniger Powers LLP
인용정보	피인용 횟수 : 1 인용 특허 : 5

초록
▼

The invention relates to a device for supplying lubricant, particularly for dosing lubricant to lubrication points (2) in a roller assembly or the like. The invention further relates to a bearing assembly which is inserted, for example, in a roller assembly, and which has at least one such device for supplying lubricant. The device is equipped with a conduit (4, 5) via which a lubricant source is connected to multiple lubrication points (2), wherein at least one injector (6) designed as a metering valve is provided in the conduit as a cartridge insert for releasing a defined amount of lubricant in a cycle of pressure application and pressure release of the supplied lubricant. A connecting channel is assigned to the injector (6) in such a manner that lubricant is fed from the lubricant source, past the injector (6), in the direction of a lubrication point (2) lying downstream.

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청구항
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1. A device for supplying lubricant to lubrication points, said device comprising a conduit by means of which a lubricant source is connected to said lubrication points, an upstream injector formed as a metering valve for discharging a defined quantity of lubricant in a cycle comprising pressurization and depressurization of lubricant fed from the lubricant source and the upstream injector including a passage channel for flow of lubricant from the lubricant source past the upstream injector toward a downstream lubrication point via a next downstream injector, wherein the passage channel is formed as a bypass channel within the upstream injector for flow of lubricant from the lubricant source past the upstream injector to the next downstream injector, wherein the upstream injector is formed as a single-line distributor for dosing lubricant to a lubrication point and has a lubricant inlet and a lubricant outlet facing the lubrication point, wherein, between this inlet and this outlet, a sealing piston and a feed piston are guided so that they can move in a sleeve that is formed together with an inlet cap as a cartridge insert that can be inserted into said conduit, wherein the sealing piston has a peripheral sealing lip that allows a through-flow of lubricant in the feed direction and that prevents a backflow of lubricant and can move between a position opening a depressurization channel and a position blocking the depressurization channel, and wherein the feed piston can be moved against the force of an elastic element for feeding lubricant to said lubrication point in the feed direction and for drawing lubricant by force of the elastic element against the feed direction. 2. A device for supplying lubricant according to claim 1, wherein the upstream and next downstream injectors in the conduit have different feed volumes. 3. A device for supplying lubricant according to claim 1, wherein said conduit communicates with a radial borehole in a bearing arrangement comprising inner and outer rings and roller bodies between the rings, and wherein said upstream injector is operable to deliver lubricant to said radial borehole. 4. A bearing arrangement incorporating the device for supplying lubricant according to claim 1, said bearing arrangement comprising inner and outer rings rotatable relative to one another, roller bodies between the rings, and a radial bore in at least one of the inner and outer rings, said conduit communicating with said radial bore such that said upstream injector is operable to supply lubricant to the radial bore. 5. A device for supplying lubricant to lubrication points, said device comprising a conduit formed by a borehole in a component to be supplied with lubricant by means of which a lubricant source is connected to said lubrication points, an upstream injector formed as a metering valve inserted entirely in the conduit as a cartridge insert for discharging a defined quantity of lubricant in a cycle comprising pressurization and depressurization of lubricant fed from the lubricant source, and the upstream injector including a passage channel for flow of lubricant from the lubricant source past the upstream injector toward a downstream lubrication point via a next downstream injector spaced from the upstream injector by a sleeve, wherein the passage channel is formed as a bypass channel within the upstream injector for flow of lubricant from the lubricant source past the upstream injector to the next downstream injector. 6. A device for supplying lubricant according to claim 5, wherein an adapter with an outer thread for fixing the cartridge insert in said conduit, wherein the cartridge insert has a smaller outer diameter than the adapter at least in some regions. 7. A device for supplying lubricant according to claim 5, wherein the upstream injector is formed for activation by successive pressurization and depressurization by means of oil as a lubricant. 8. A device for supplying lubricant according to claim 5, further comprising an air channel running generally parallel to the conduit for supplying compressed air to at least one of the lubrication points. 9. A device for supplying lubricant according to claim 8, wherein the air channel and/or a branch channel of the air channel opens downstream from the upstream injector and upstream from the downstream lubrication point into a feed line leading to the downstream lubrication point. 10. A device for supplying lubricant according to claim 8, wherein the upstream and next downstream injectors in the conduit have different feed volumes. 11. A device for supplying lubricant according to claim 8, wherein said conduit and air channel communicate with a radial borehole in a bearing arrangement comprising inner and outer rings and roller bodies between the rings, and wherein said upstream injector and air channel deliver lubricant and compressed air to said radial borehole. 12. A bearing arrangement incorporating the device for supplying lubricant according to claim 8, said bearing arrangement comprising inner and outer rings rotatable relative to one another, roller bodies between the rings, and a radial bore in at least one of the inner and outer rings, said conduit and air channel communicating with said radial bore such that said upstream injector and air channel are operable to supply lubricant and compressed air to the radial bore. 13. A device for supplying lubricant according to claim 5, wherein the upstream and next downstream injectors in the conduit have different feed volumes. 14. A device for supplying lubricant according to claim 5, wherein said conduit communicates with a radial borehole in a bearing arrangement comprising inner and outer rings and roller bodies between the rings, and wherein said upstream injector is operable to deliver lubricant to said radial borehole. 15. A bearing arrangement incorporating the device for supplying lubricant according to claim 5, said bearing arrangement comprising inner and outer rings rotatable relative to one another, roller bodies between the rings, and a radial bore in at least one of the inner and outer rings, said conduit communicating with said radial bore such that said upstream injector is operable to supply lubricant to the radial bore.

이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 피인용횟수: 1

Rebs, Alexander A.; Davids, Udo; Seidel, Ralf. Roll stand for rolling metallic strips and roll or cylinder for a roll stand of this type. USP2016089415430.

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Device for supplying lubricant and bearing assembly therewith

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Device for supplying lubricant and bearing assembly therewith

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이 특허에 인용된 특허 (5)

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