IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0884960
(2010-09-17)
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등록번호 |
US-8574430
(2013-11-05)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Young Basile Hanlon & MacFarlane, P.C.
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인용정보 |
피인용 횟수 :
1 인용 특허 :
56 |
초록
▼
A fluid filter for assembly includes an upright housing having a base portion and a cover to allow viewing of a fluid level. The base portion has a fluid inlet and a fluid outlet. A filter element has a filter media for filtering the fluid, a bottom end cap connected to the fluid outlet, and a top e
A fluid filter for assembly includes an upright housing having a base portion and a cover to allow viewing of a fluid level. The base portion has a fluid inlet and a fluid outlet. A filter element has a filter media for filtering the fluid, a bottom end cap connected to the fluid outlet, and a top end cap positioned above the bottom end cap. A mounting member is formed on the top end cap, and a vent passage extends through the mounting member for fluid communication between an interior and an exterior of the filter element. An interface structure is connected to cover the upright housing and is removably engageable with the mounting member of the filter element.
대표청구항
▼
1. A fluid filter assembly for filtering a fluid, comprising: An upright housing having a base portion and a cover that cooperate to define an interior space of the upright housing, the base portion having a fluid inlet for communicating the fluid into the upright housing and a fluid outlet for comm
1. A fluid filter assembly for filtering a fluid, comprising: An upright housing having a base portion and a cover that cooperate to define an interior space of the upright housing, the base portion having a fluid inlet for communicating the fluid into the upright housing and a fluid outlet for communicating the fluid downstream of the upright housing, and the cover allowing viewing of the level of fluid in the upright housing;A filter element having an exterior in communication with the fluid inlet and an interior in communication with the fluid outlet, the filter element having a filter media for filtering the fluid as it passes from the exterior of the filter element to the interior of the filter element, a bottom end cap fixed to the filter media and removably connected to the fluid outlet, a one-piece top end cap fixed to the filter media and positioned above the bottom end cap, the top end cap including an integrally formed mounting member having a vent passage extending therethrough for fluid communication between the interior of the filter element and the exterior of the filter element;An interface structure that is connected to the cover of the upright housing, wherein the mounting member of the filter element is receivable within the interface structure, and the interface structure is removably engageable with the mounting member of the filter element, the interface structure including an interface housing having an upper interior portion in communication with the exterior of the filter element and a lower interior portion that is in communication with the interior of the filter element and sealed with respect to the filter element; andA pressure relief valve in communication with the upper interior portion and the lower interior portion of the interface housing of the interface structure for selectively allowing the fluid and/or air/vapor to pass through the vent passage of the filter element valve when the pressure across the filter element reaches a predetermined level wherein the passage of fluid and/or air/vapor through the pressure relief valve raises the level of the fluid within the upright housing. 2. The fluid filter assembly of claim 1, further comprising: a pressure relief valve in communication with the interior and the exterior of the filter element for selectively allowing the fluid and/or air/vapor to pass through the vent passage of the filter element valve when the pressure across the filter element reaches a predetermined level wherein the passage of fluid and/or air/vapor through the pressure relief valve raises the level of the fluid within the upright housing. 3. The fluid filter assembly of claim 2, wherein the pressure relief valve is integrated into the top end cap of the filter element and is located in the vent passage of the mounting member. 4. The fluid filter assembly of claim 1, further comprising: the cover of the upright housing having a threaded aperture, and the interface structure having a threaded connection with respect to the threaded aperture of the cover of the upright housing. 5. The fluid filter assembly of claim 4, further comprising: the interface structure including a knob portion that is disposed at least partially outside of the cover of the upright housing to allow tightening of the threaded connection of the interface structure with respect to the cover of the upright housing. 6. The fluid filter assembly of claim 5, further comprising: the interface structure including a lower portion having the threaded portion formed thereon, the lower portion connected to the knob portion by a torque-limiting structure that causes the knob portion and the lower portion to rotate in unison when the torque applied to the upper portion is less than a predetermined torque value and causes the knob portion to slip with respect to the lower portion when the torque applied to the upper portion is greater than a predetermined torque value. 7. The fluid filter assembly of claim 1, further comprising: the interface structure being engageable with the mounting member of the filter element to axially align the filter element with respect to the cover. 8. The fluid filter assembly of claim 1, further comprising: the mounting member including an annular wall that encircles the vent passage, the annular wall being engageable with the interface structure to axially align the filter element with respect to the cover. 9. The fluid filter assembly of claim 1, wherein the cover is at least translucent. 10. The fluid filter assembly of claim 1, wherein the cover is transparent. 11. The fluid filter assembly of claim 1, further comprising: a divider positioned adjacent to the exterior of the filter media, the divider having an upper end removably engaged with the top end cap of the filter element, an open lower end that is longitudinally spaced from the bottom end cap of the filter element such that at least a portion of the filter media located adjacent to the bottom cap is not directly adjacent to the divider, a plurality of ribs that are engageable with the cover to space a sidewall of the divider from the cover, and the divider extending a majority of the distance from the top end cap to the bottom end cap. 12. The fluid filter assembly of claim 1, further comprising: a divider positioned inside the cover of the upright housing adjacent to the cover, the divider having an upper end that is removably sealable with respect to the top end cap of the filter media to define an inner portion of the interior space of the upright housing between the divider and filter element and an outer portion of the interior space of the upright housing between the divider and the cover. 13. The fluid filter assembly of claim 12, wherein the inner and outer portions of the interior space of the upright housing are in fluid communication solely at a bottom end of the divider. 14. The fluid filter assembly of claim 12, wherein the divider is fabricated from an opaque material to block visibility of the fluid level in the inner portion of the interior space of the upright housing. 15. A fluid filter assembly for filtering a fluid, comprising: an upright housing having a base portion and a cover that cooperate to define an interior space of the upright housing, the base portion having a fluid inlet for communicating the fluid into the upright housing and a fluid outlet for communicating the fluid downstream of the upright housing, and the cover allowing viewing of the level of fluid in the upright housing;a filter element having an exterior in communication with the fluid inlet and an interior in communication with the fluid outlet, the filter element having a filter media for filtering the fluid as it passes from the exterior of the filter element to the interior of the filter element, a bottom end cap fixed to the filter media and removably connected to the fluid outlet, a one-piece top end cap fixed to the filter media and positioned above the bottom end cap, the top end cap including an integrally formed mounting member having a vent passage extending therethrough for fluid communication between the interior of the filter element and the exterior of the filter element, and the top end cap including an integrally formed trough that encircles the mounting member;an interface structure that is connected to the cover of the upright housing and is removably engageable with the mounting member of the filter element, the interface structure being engageable with the mounting member of the filter element to axially align the filter element with respect to the cover, and the interface structure including a housing having an upper interior portion in communication with the exterior of the filter element and a lower interior portion that is in communication with the interior of the filter element and sealed with respect thereto, wherein the mounting member of the top end cap of the filter element is receivable within the lower interior portion of the interface structure; anda pressure relief valve in communication with the upper interior portion and the lower interior portion of the interface housing of the interface structure for selectively allowing the fluid and/or air/vapor to pass through the vent passage of the filter element valve when the pressure across the filter element reaches a predetermined level wherein the passage of fluid and/or air/vapor through the pressure relief valve raises the level of the fluid within the upright housing. 16. The fluid filter assembly of claim 15, further comprising: the cover of the upright housing having a threaded aperture, and the interface structure having a threaded connection with respect to the threaded aperture of the cover of the upright housing.
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