IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
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| 국제특허분류(IPC7판) |
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| 출원번호 |
US-0496021
(1995-06-28)
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발명자
/ 주소 |
- Smith Gerald F. (5084 Three Point Blvd. Mound MN 55364) Ellis William J. (4329 Shoreline Dr. Spring Park MN 55384)
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| 인용정보 |
피인용 횟수 :
34 인용 특허 :
0 |
초록
▼
A fluid filter which comprises a canister having an open end and a closed end, the canister sealing to an adapter body to prevent leakage between the canister and the adapter body, the adapter body having a plurality of angled fluid inlet ports extending through the adapter assembly body into the ca
A fluid filter which comprises a canister having an open end and a closed end, the canister sealing to an adapter body to prevent leakage between the canister and the adapter body, the adapter body having a plurality of angled fluid inlet ports extending through the adapter assembly body into the cavity formed by the canister and the adapter body assembly, a threaded fluid outlet port extending through the adapter body, a threaded ring adapter for adapting the outlet port to a variety of filter receptacles, a multistage wire mesh filter element having a weave which is designed to prevent fluid contaminants from passing through the filter element while inhibiting the contaminant particles from becoming lodged in the filter mesh, the fluid inlet ports in the adapter body being formed at an angle to create a tornado type turbine fluid motion within the canister to suspend contaminants which are blocked from passage through the screen in the fluid and allow such contaminants to settle in the canister out of the flow path of fluid being filtered, a sediment chamber formed in the canister by a sediment trap, a relief valve assembly in the canister to allow fluid to bypass the filter element in the event the filter element becomes clogged, an anti-siphon valve in the fluid filter to prevent unfiltered fluid from being flushed from the filter, a switch for warning of a filter which needs to be removed and cleaned, and a magnetized drain plug to assist with contaminant removal from the fluid and allow the canister to be drained prior to removal to reduce injury and spillage.
대표청구항
▼
A reusable fluid filter comprising: (a) a canister, the canister having an outer wall, an inner wall, a closed end, an axis of symmetry, and an open end, a support plate in the closed end; (b) a reusable filter element removably mounted in the canister, the filter element having two ends, an outside
A reusable fluid filter comprising: (a) a canister, the canister having an outer wall, an inner wall, a closed end, an axis of symmetry, and an open end, a support plate in the closed end; (b) a reusable filter element removably mounted in the canister, the filter element having two ends, an outside wall and an inside wall defining a hollow core, a filter element top on one end of the filter element having a fluid exit opening adjacent the hollow core, a bypass opening at the other end of the filter element sealingly mounted on the support plate whereby the support plate supports the filter element in the canister and seals the bypass opening; (c) an adapter body, the adapter body having an inside face and an outside face, a sealing means for removably attaching the canister to the adapter body, a filter sleeve on the inside face, a hexagonal surface adjacent the inside face and around the filter sleeve to adapt a socket wrench to the adapter body for threadably mounting the adapter body, a fluid outlet aperture extending through the adapter body having a circumference and internal threads along a portion of the fluid outlet aperture extending to the outside face, a means for attaching the filter element top to the adapter body wherein the hollow core is in fluid communication with the fluid outlet aperture, an unfiltered fluid compartment defined between the outside wall of the filter element and the inner wall of the canister, a plurality of unfiltered fluid inlet orifices formed in the adapter body at an angle to the axis of the canister and in fluid communication with the unfiltered fluid compartment whereby fluid entering the fluid filter creates a swirling action in the unfiltered fluid compartment; and (d) an adapter ring, the adapter ring having internal and external threads, the external threads being threadably mounted onto the internal threads of the fluid outlet aperture.
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