IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0937269
(2001-11-27)
|
우선권정보 |
IL-129308 (1999-04-04) |
국제출원번호 |
PCT/IL00/00207
(2000-04-03)
|
국제공개번호 |
WO00/59615
(2000-10-12)
|
발명자
/ 주소 |
- Tanny, Gerald
- Hulley, Peter
- Thomson, Michael Anthony
|
출원인 / 주소 |
- Soda-Club (CO2) Atlantic GmbH
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
22 |
초록
▼
Water dispenser, which comprises, in addition to a water container, a filter element contained within a filter housing having an inlet and a dispensing outlet, a source of pressure and first valve and first conduit means for feeding water from the container to the filter housing inlet; means for fee
Water dispenser, which comprises, in addition to a water container, a filter element contained within a filter housing having an inlet and a dispensing outlet, a source of pressure and first valve and first conduit means for feeding water from the container to the filter housing inlet; means for feeding gas to the filter inlet to create gas pressure at the inlet, consisting of a reservoir, and the control means comprise the third conduit and valve means for permitting or preventing the admission of water into the reservoir, second valve and conduit means for controlling the level of the water in the reservoir, a pressure gauge for monitoring the pressure at the filter inlet; and control means for controlling the gas feeding means to cause or stop the feeding. The source of pressure may be a compressed gas cylinder provided with valve and conduit means for controlling the admission of compressed gas from the cylinder into the water container, and the means for feeding gas to the filter inlet comprise conduit and valve means for feeding gas to the inlet directly from the gas cylinder.
대표청구항
▼
Water dispenser, which comprises, in addition to a water container, a filter element contained within a filter housing having an inlet and a dispensing outlet, a source of pressure and first valve and first conduit means for feeding water from the container to the filter housing inlet; means for fee
Water dispenser, which comprises, in addition to a water container, a filter element contained within a filter housing having an inlet and a dispensing outlet, a source of pressure and first valve and first conduit means for feeding water from the container to the filter housing inlet; means for feeding gas to the filter inlet to create gas pressure at the inlet, consisting of a reservoir, and the control means comprise the third conduit and valve means for permitting or preventing the admission of water into the reservoir, second valve and conduit means for controlling the level of the water in the reservoir, a pressure gauge for monitoring the pressure at the filter inlet; and control means for controlling the gas feeding means to cause or stop the feeding. The source of pressure may be a compressed gas cylinder provided with valve and conduit means for controlling the admission of compressed gas from the cylinder into the water container, and the means for feeding gas to the filter inlet comprise conduit and valve means for feeding gas to the inlet directly from the gas cylinder. A hole opener (10) having a tubular body (11) with threaded ends (12, 14) for connection in a drill string. The hole opener provides slots or grooves (21, 21') along its longitudinal axis (16) into which are inserted cutter arm support members (30, 30', 60, 60') which may be screwed, (43) pinned (68) or bolted (168) to the body (11) to permit easy replacement of the support arms (30). The grooves (21, 21') in the body (11) of the hole opener (10) also provide a spindle (20) spatially aligned with the groove (21, 21') to support the proximal end of a rotatable journal body (28) supporting the cutter body (25) providing hard facing for grinding of the bore hole to be enlarged. The support arms (30) at their distal end provide further support for the cutter journals (70). The hole opener (10) also may provide pressure compensated lubrication mechanism (71) to provide grease to the bearing surfaces to increase their service life and thereby extend the useful life of the tool. ry drill bit for use in drilling subterranean formations comprising: a bit body having an exterior surface configured for attachment of a plurality of cutting elements thereto, the bit body having at least one plenum for movement of fluid therethrough and a plurality of passageways for conveying formation cuttings therethrough; a plurality of cutting elements positioned on the exterior surface of the bit body; and at least one of the plurality of cutting elements comprising: a superabrasive cutting member having a first end and a second end spaced from the first end, the first end comprising a leading edge positioned and structured for engaging and cutting subterranean formations at a positive rake angle; and a scoop surface extending from the leading edge of the first end and at least partially defining an open-ended cavity passing through the at least one cutting element of the plurality of cutting elements, the scoop surface configured to direct said formation cuttings through the open-ended cavity passing through the at least one cutting element of the plurality of cutting elements. 18. The rotary drill bit of claim 17, further comprising: said drill bit having at least one passageway of the plurality of passageways being positioned rearward of the at least one cutting element of the plurality of cutting elements and being generally coaxially aligned therewith. 19. The rotary drill bit of claim 18, wherein the at least one passageway of the plurality of passageways and the open-ended cavity passing through the at least one cutting element of the plurality of cutting elements are-essentially co-extensive. 20. The rotary drill bit of claim 19, wherein the at least one passageway of the plurality of passageways is an open-ended passageway having a first open end and a second open end, the open ended passageway structured to expand from a first cross-sectional area at the first open end to a larger second cross-sectional area at the second open end. 21. The rotary drill bit of claim 18, further comprising at least one fluid passage extending from the at least one plenum to the exterior surface of the bit body. 22. The rotary drill bit of claim 21, wherein the at least one fluid passage comprises at least one discharge port positioned in proximity to the at least one cutting element of the plurality of cutting elements. 23. The rotary drill bit of claim 22, wherein the at least one discharge port of the at least one fluid passage is positioned to discharge said fluid within the interior of the at least one passageway of the plurality of passageways aft of the at least one cutting element of the plurality of cutting elements. 24. The rotary drill bit of claim 22, wherein the at least one discharge port of the at least one fluid passage is positioned exterior of the at least one passageway of the plurality of passageways to discharge said fluid forward of the at least one cutting element of the plurality of cutting elements. 25. The rotary drill bit of claim 18, wherein the at least one passageway of the plurality of passageways is formed at least in part along the exterior surface of the bit body. 26. The rotary drill bit of claim 17, further comprising at least one structure positioned on the exterior surface of the bit body for limiting a depth-of-cut of the at least one cutting element of the plurality of cutting elements. 27. The rotary drill bit of claim 17, wherein at least some of the plurality of cutting elements further comprise a superabrasive cutting member attached to a substrate. 28. A rotary drill bit for use in drilling subterranean formations comprising: a bit body having an exterior surface configured for receiving a plurality of cutting elements and having at least one plenum for movement of fluid therethrough; the bit body having a plurality of passageways capable of passing formation cuttings therethrough; a plurality of superabrasive cutting elements each positioned on said exterior surface o
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