In-line filter with quick-change coupling and a filter
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-046/00
F16L-037/28
출원번호
UP-0567949
(2004-08-11)
등록번호
US-7608136
(2009-11-10)
우선권정보
NL-1024083(2003-08-11)
국제출원번호
PCT/NL04/000564
(2004-08-11)
§371/§102 date
20060918
(20060918)
국제공개번호
WO05/014143
(2005-02-17)
발명자
/ 주소
van der Maas, Marinus Frans
출원인 / 주소
Scientific Glass Technology Singapore Pte Ltd.
대리인 / 주소
Weingarten, Schurgrin, Gagnebin & Lebovici LLP
인용정보
피인용 횟수 :
7인용 특허 :
13
초록▼
An in-line filter provided with a substantially elongated filter housing (1; 51) in which filtering material (A) is included, the filter housing being provided on a first end with an inflow opening (2) and, on a second, opposite end with an outflow opening (3), while at the inflow opening (2) and th
An in-line filter provided with a substantially elongated filter housing (1; 51) in which filtering material (A) is included, the filter housing being provided on a first end with an inflow opening (2) and, on a second, opposite end with an outflow opening (3), while at the inflow opening (2) and the outflow opening (3) fastening means (4-7) are provided for fastening a supply or discharge tube, respectively (8 or 9, respectively), while the fastening means (4-7) are quick-change couplings (4-7), a respective quick-change coupling (4, 5; 6, 7) having a coupled condition and an uncoupled condition, while in the quick-change coupling (4, 5; 6, 7) a shut-off valve (10) is provided which, in the coupled condition, assumes an open position thus allowing gas to pass and which, in an uncoupled condition, assumes a closed position thus not allowing gas to pass.
대표청구항▼
What I claim is: 1. An in-line filter provided with a transponder and a substantially elongated filter housing in which filtering material is included, the filter housing being provided on a first end with an inflow opening and on a second, opposite end with an outflow opening, while at the inflow
What I claim is: 1. An in-line filter provided with a transponder and a substantially elongated filter housing in which filtering material is included, the filter housing being provided on a first end with an inflow opening and on a second, opposite end with an outflow opening, while at the inflow opening and the outflow opening fastening means are provided for fastening a supply or discharge tube, respectively, wherein the fastening means are quick-change couplings, a respective quick-change coupling having a coupled condition and an uncoupled condition, while in the quick-change coupling a shut-off valve is provided which, in the coupled condition, assumes an open position and thus allows gas to pass and which, in an uncoupled condition, assumes a closed position and thus does not allow gas to pass; wherein each quick-change coupling comprises a male part and a female part through which a bore extends, which forms the fluid communication between the supply or discharge tube, respectively, and the inflow opening or outflow opening, respectively, of the filter housing, while, with the male part and the female part in coupled condition, the quick-change coupling is in the coupled condition and with the male part and the female part in uncoupled condition, the quick-change coupling is in the uncoupled condition; and wherein the shut-off valve is disposed in the bore of the male part; is biased in a closed position by a spring; and comprises a valve body and a valve stem, the valve body being arranged for cooperation with a valve seat in the bore of the male part, the valve stem being provided with a collar against which the spring rests with a first end, while another end of the spring rests against a supporting surface provided in the male part, as a constriction is provided in the bore, while, when the male part is placed in the female part, with an end facing away from the valve body, the valve stem meets a stop in the female part such that movement against the spring force of the spring is effected. 2. An in-line filter according to claim 1, wherein the shut-off valve of the quick-change coupling forms part of the part of the quick-change coupling that remains connected to the supply or discharge tube, respectively, such that in the uncoupled condition, the supply or discharge tube, respectively is hardly, if at all, polluted by air. 3. An in-line filter according to claim 2, wherein each quick-change coupling comprises a male part and a female part through which a bore extends, which forms the fluid communication between the supply or discharge tube, respectively and the inflow opening or outflow opening respectively, of the filter housing, while, with the male part and the female part in coupled condition, the quick-change coupling is in the coupled condition and with the male part and the female part in uncoupled condition, the quick-change coupling is in the uncoupled condition. 4. An in-line filter according to claim 3, wherein the female parts are connected to the two ends of the filter housing. 5. An in-line filter according to claim 1, wherein the male parts of the two quick-change couplings are connected to the supply or discharge tube, respectively. 6. An in-line filter according to claim 1, wherein a first female part, which forms the fluid communication between the supply tube and the inflow opening, and a second female part, which forms the fluid communication between the dispensing tube and the outflow opening, are connected to the two ends of the filter housing. 7. An in-line filter according to claim 1, wherein in the bore in the male part a sieve is included. 8. An in-line filter according to claim 1, wherein each male part is provided with a clamp fitting for connecting the male parts to the supply tube and the discharge tube, respectively. 9. An in-line filter according to claim 1, wherein the stop in the female part comprises a poly(tetrafluoroethylene) or poly(tetrafluoroethene) (PTFE) cap which cap, when the male part is placed in the female part, is pierced by the free end of the valve stem provided to that end with a sharp point. 10. An in-line filter according to claim 1, wherein around the filter housing a protective shell is provided. 11. An in-line filter according to claim 10, wherein the protective shell is included between two female parts. 12. An in-line filter according to claim 10, wherein at least one of the filter housing and the protective shell are at least partly transparent, for instance in that the filter housing is manufactured from glass and in that the protective shell is manufactured from acrylic plastic, while in the filter housing an indicator is included which discolors when the filtering material is saturated. 13. An in-line filter according to claim 10, wherein the protective shell is included between the two female parts. 14. An in-line filter according to claim 1, wherein the transponder is provided with a temperature sensor, while the transponder is placed on the filter housing adjacent a downstream end of the filter housing. 15. The in-line filter according to claim 1, the filtering material being configured to remove water, oxygen and hydrocarbons from a gas flow, while the filtering material does not contain alkali metals or alkaline earth metals. 16. The in-line filter as recited in claim 1, wherein the bore in the male part includes a sieve. 17. The in-line filter according to claim 16, the filtering material being configured to remove water, oxygen and hydrocarbons from a gas flow, while the filtering material does not contain alkali metals or alkaline earth metals. 18. The in-line filter as recited in claim 1, wherein the male part is provided with a clamp fitting for connecting to at least one of the supply tube and the discharge tube. 19. The in-line filter according to claim 18, the filtering material being configured to remove water, oxygen and hydrocarbons from a gas flow, while the filtering material does not contain alkali metals or alkaline earth metals. 20. An in-line filter provided with a transponder and a substantially elongated filter housing in which filtering material is included, the filter housing being provided on a first end with an inflow opening and on a second, opposite end with an outflow opening, while at the inflow opening and the outflow opening fastening means are provided for fastening a supply or discharge tube, respectively, wherein the fastening means are quick-change couplings, a respective quick-change coupling having a coupled condition and an uncoupled condition, while in the quick-change coupling a shut-off valve is provided which, in the coupled condition, assumes an open position and thus allows gas to pass and which, in an uncoupled condition, assumes a closed position and thus does not allow gas to pass; and wherein each quick-change coupling comprises a male part and a female part through which a bore extends, which forms the fluid communication between the supply or discharge tube, respectively, and the inflow opening or outflow opening, respectively, of the filter housing, while, with the male part and the female part in coupled condition, the quick-change coupling is in the coupled condition and with the male part and the female part in uncoupled condition, the quick-change coupling is in the uncoupled condition; and wherein a screw thread on the male part for connecting the male part to the female part, is provided on a fastening ring rotatably connected to the male part of such that only the fastening ring needs to be turned for fastening the male part in the female part and that therefore the remaining parts of the male part need not be rotated. 21. An in-line filter provided with a transponder and a substantially elongated filter housing in which filtering material is included, the filter housing being provided on a first end with an inflow opening and on a second, opposite end with an outflow opening, while at the inflow opening and the outflow opening fastening means are provided for fastening a supply or discharge tube, respectively, wherein the fastening means are quick-change couplings, a respective quick-change coupling having a coupled condition and an uncoupled condition, while in the quick-change coupling a shut-off valve is provided which, in the coupled condition, assumes an open position and thus allows gas to pass and which, in an uncoupled condition, assumes a closed position and thus does not allow gas to pass; and wherein each quick-change coupling comprises a male part and a female part through which a bore extends, which forms the fluid communication between the supply or discharge tube, respectively, and the inflow opening or outflow opening, respectively, of the filter housing, while, with the male part and the female part in coupled condition, the quick-change coupling is in the coupled condition and with the male part and the female part in uncoupled condition, the quick-change coupling is in the uncoupled condition; and wherein a connection between the female part and the filter housing is formed by a detachable connection that is formed by a clamp joint, to which end the female part is provided with a body, a clamping plate which can be connected to the body with the aid of fastening bolts and with a flexible clamping ring with a diameter that fits the outer circumference of the filter housing. 22. An in-line filter provided with a substantially elongated filter housing in which filtering material is included, the filter housing being provided on a first end with an inflow opening and on a second, opposite end with an outflow opening, while at the inflow opening and the outflow opening fastening means are provided for fastening a supply or discharge tube, respectively, wherein the fastening means are quick-change couplings, a respective quick-change coupling having a coupled condition and an uncoupled condition, while in the quick-change coupling a shut-off valve is provided which, in the coupled condition, assumes an open position and thus allows gas to pass and which, in an uncoupled condition, assumes a closed position and thus does not allow gas to pass, wherein each quick-change coupling comprises a male part and a female part through which a bore extends, which forms the fluid communication between the supply or discharge tube, respectively and the inflow opening or outflow opening respectively, of the filter housing, while, with the male part and the female part in coupled condition, the quick-change coupling is in the coupled condition and with the male part and the female part in uncoupled condition, the quick-change coupling is in the uncoupled condition, wherein at each quick-change coupling, the shut-off valve that is biased in a closed position by a spring is included in the bore in the male part, and wherein the shut-off valve comprises a valve body and a valve stem, the valve body being arranged for cooperation with a valve seat in the bore of the male part, the valve stem being provided with a collar against which the spring rests with a first end, while another end of the spring rests against a supporting surface provided in the male part, as a constriction is provided in the bore, while, when the male part is placed in the female part, with an end facing away from the valve body, the valve stem meets a stop in the female part such that movement against the spring force of the spring is effected. 23. The in-line filter according to claim 22, the filtering material being configured to remove water, oxygen and hydrocarbons from a gas flow, while the filtering material does not contain alkali metals or alkaline earth metals. 24. An in-line filter according to claim 22, wherein between the valve body and the valve seat a flexible sealing ring is provided. 25. An in-line filter according to claim 24, wherein the stop in the female part comprises a poly(tetrafluoroethylene) or poly(tetrafluoroethene) (PTFE) cap which cap, when the male part is placed in the female part, is pierced by the free end of the valve stem provided to that end with a sharp point. 26. An in-line filter provided with a substantially elongated filter housing in which filtering material is included, the filter housing being provided on a first end with an inflow opening and on a second, opposite end with an outflow opening, while at the inflow opening and the outflow opening fastening means are provided for fastening a supply or discharge tube, respectively, wherein the fastening means are quick-change couplings, a respective quick-change coupling having a coupled condition and an uncoupled condition, while in the quick-change coupling a shut-off valve is provided which, in the coupled condition, assumes an open position and thus allows gas to pass and which, in an uncoupled condition, assumes a closed position and thus does not allow gas to pass, wherein each quick-change coupling comprises a male part and a female part through which a bore extends, which forms the fluid communication between the supply or discharge tube, respectively and the inflow opening or outflow opening respectively, of the filter housing, while, with the male part and the female part in coupled condition, the quick-change coupling is in the coupled condition and with the male part and the female part in uncoupled condition, the quick-change coupling is in the uncoupled condition, and, with the aid of screw thread, the male part can be connected to the female part, wherein screw thread on the male part is provided on a fastening ring rotatably connected to the male part of such that only the fastening ring needs to be turned for fastening the male part in the female part and that therefore the remaining parts of the male part need not be rotated. 27. The in-line filter according to claim 26, the filtering material being configured to remove water, oxygen and hydrocarbons from a gas flow, while the filtering material does not contain alkali metals or alkaline earth metals. 28. An in-line filter provided with a substantially elongated filter housing in which filtering material is included, the filter housing being provided on a first end with an inflow opening and on a second, opposite end with an outflow opening, while at the inflow opening and the outflow opening fastening means are provided for fastening a supply or discharge tube, respectively, wherein the fastening means are quick-change couplings, a respective quick-change coupling having a coupled condition and an uncoupled condition, while in the quick-change coupling a shut-off valve is provided which, in the coupled condition, assumes an open position and thus allows gas to pass and which, in an uncoupled condition, assumes a closed position and thus does not allow gas to pass, wherein each quick-change coupling comprises a male part and a female part through which a bore extends, which forms the fluid communication between the supply or discharge tube, respectively and the inflow opening or outflow opening respectively, of the filter housing, while, with the male part and the female part in coupled condition, the quick-change coupling is in the coupled condition and with the male part and the female part in uncoupled condition, the quick-change coupling is in the uncoupled condition, wherein the connection between the female part and the filter housing is formed by a detachable connection, and wherein the connection is formed by a clamp joint, to which end the female part is provided with a body, a clamping plate which can be connected to the body with the aid of fastening bolts and with a flexible clamping ring with a diameter that fits the outer circumference of the filter housing. 29. The in-line filter according to claim 28, the filtering material being configured to remove water, oxygen and hydrocarbons from a gas flow, while the filtering material does not contain alkali metals or alkaline earth metals.
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