IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0947002
(2001-09-05)
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발명자
/ 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
25 인용 특허 :
5 |
초록
A gas turbine engine comprising a combustion chamber section, a turbine section, and a compressor section. The turbine section surrounds the combustion chamber and the compressor section surrounds the turbine section.
대표청구항
▼
A gas turbine engine comprising a combustion chamber section, a turbine section, and a compressor section. The turbine section surrounds the combustion chamber and the compressor section surrounds the turbine section. a length of extension of at least 0.25 inch. 11. A track arrangement according t
A gas turbine engine comprising a combustion chamber section, a turbine section, and a compressor section. The turbine section surrounds the combustion chamber and the compressor section surrounds the turbine section. a length of extension of at least 0.25 inch. 11. A track arrangement according to claim 10 wherein: (a) said stud ridge receiver trough of said first bent extension has: (i) a front bend having an inside angle within the range of 75° to 85°, inclusive; (ii) a center bend having an inside angle within the range of 15° to 25°, inclusive; and, (iii) a rear bend having an inside angle within the range of 95° to 105°, inclusive; and, (b) said stud ridge receiver trough of said second bent extension has: (i) a front bend having an inside angle within the range of 75° to 85°, inclusive; (ii) a center bend having an inside angle within the range of 15° to 25°, inclusive; and, (iii) a rear bend having an inside angle within the range of 95° to 105°, inclusive. 12. A track arrangement according to claim 11 wherein: (a) said first bent extension of said first clip includes a spring extension having a length of at least 0.75 inch and projecting from said first sidewall to said stud ridge receiver trough of said first bent extension; (b) said second bent extension of said second clip includes a spring extension having a length of at least 0.75 inch and projecting from said second sidewall to said stud ridge receiver trough of said second bent extension. 13. A track arrangement according to claim 12 wherein: (a) said spring extension of said first bent extension bends inwardly, from said first sidewall, at an inside angle within the range of 170° to 178°, inclusive; and (b) said spring extension of said second bent extension bends inwardly, from said second sidewall, at an inside angle within the range of 170° to 178°, inclusive. 14. A track arrangement according to claim 13 wherein: (a) said first bent extension is centrally disposed relative to an outer edge of said first sidewall; and, (b) said second bent extension is centrally disposed relative to an outer edge of said second sidewall. 15. A track arrangement according to claim 14 wherein: (a) said first bent extension is spaced from the outer edge of said first sidewall by a distance of at least 0.25 inch; and, (b) said second bent extensions is spaced from the outer edge of said second sidewall by a distance of at least 0.25 inch. 16. A wall framework assembly comprising: (a) a first track; said first track including: (i) a first sidewall having an outer edge, said first sidewall having a first frame defined by a first open cut; and, (ii) a first stud clip arrangement comprising at least a first stud clip located within said first frame; (A) said first stud clip having a point of attachment and a free end, said first stud clip comprising: (1) a front cam surface facing said first sidewall and extending at an acute angle thereto; and, (2) three bends spaced apart from said point of attachment of said first stud clip, said three bends defining a stud ridge receiver trough having opposing sidewalls that converge at an apex, said stud ridge receiver trough oriented: with a stud ridge receiver opening directed toward said first sidewall; and, with the front cam surface of the first stud clip extending between the stud receiver trough and the free end of the first stud clip; and (b) a vertical wall stud; said vertical wall stud including: (i) a back extension; (ii) a first hanger wall; (iii) a first stud ridge positioned on said first hanger wall and extending away from said hanger wall; (c) said vertical wall stud being positioned: (i) with a portion of the vertical wall stud located between the first clip and the first open cut, and a portion of the first stud ridge received within the stud ridge receiver trough of the first clip. 17. A wall framework assembly according to claim 16 wherein: (a) said track includes a second sidewall oriented opposed to said first sidewall, said second sidewall having a second frame defined by a second open cut; and (b) said first stud clip arrangement comprises a pair of stud clips including the first stud clip located within said first frame and a second stud clip located within said second frame; (A) the second stud clip of said pair of stud clips having a point of attachment and a free end, said second stud clip comprising: (1) a front cam surface facing said second sidewall and extending at an acute angle thereto; and, (2) three bends spaced apart from said point of attachment of said second stud clip, said three bends defining a stud ridge receiver trough having opposing sidewalls that converge at an apex, said stud ridge receiver trough oriented: with a stud receiver opening directed away from said first sidewall; and, with the front cam surface of the second stud clip extending between the stud ridge receiver trough and the free end of the second stud clip. 18. A wall framework assembly according to claim 17 including: (a) a second track; said first track comprising a floor track; and, said second track comprising a ceiling track including: (i) first and second ceiling track sidewalls oriented in extension opposed to one another with a ceiling track central extension positioned therebetween, said first and second ceiling track sidewalls having first and second ceiling frames defined by first and second ceiling open cuts; and (ii) a first ceiling track stud clip arrangement comprising a ceiling track pair of stud clips; (A) a first ceiling track stud clip of said ceiling track pair of stud clips, positioned within said first ceiling frame, and having a point of attachment and a free end, said first ceiling track stud clip comprising: (1) a front cam surface facing said first sidewall of said ceiling track and extending at an acute angle thereto; and (2) three bends spaced apart from said point of attachment of said first ceiling track stud clip, said three bends defining a first ceiling track stud ridge receiver trough having opposing sidewalls that converge at an apex, said first ceiling track stud ridge receiver trough oriented: with a stud ridge receiver opening directed away from said second ceiling track sidewall; and, with the front cam surface of the first ceiling track stud clip extending between the first ceiling track stud ridge receiver trough and the free end of the first ceiling track stud clip; and (B) a second ceiling track stud clip of said ceiling track pair of stud clips, positioned within said second ceiling frame, and having a point of attachment and a free end, said second ceiling track stud clip comprising: (1) a front cam surface facing said second sidewall of said ceiling track and extending at an acute angle thereto; and, (2) three bends spaced apart from said point of attachment of said second ceiling track stud clip, said three bends defining a second ceiling track stud ridge receiver trough having opposing sidewalls that converge at an apex, said second ceiling track stud ridge receiver trough oriented: with a second ceiling track stud ridge receiver trough opening directed away from said first ceiling track sidewall; and, with the front cam surface of the second ceiling track stud clip extending between the stud ridge receiver trough and the free end of the second ceiling track stud clip; (b) said vertical wall stud being positioned: (i) with portions thereof positioned between the first and second ceiling track stud clips and the respective first and second ceiling open cuts; and, (ii) with a portion of the first stud ridge received within the stud ridge receiver trough of the first ceiling track clip; and, with a portion of the second stud ridge received within the stud ridge receiver trough of the second ceiling track clip. 19. A wall framework assembly according to claim 18 wherein: (a) the ceiling track is at least 0.5 inch deeper than the floor track. 20. A method of assembling a wall framework assembly; said method including steps of: (a) providing a track arrangement comprising: first and second sidewalls oriented in extension opposed to one another, each of the first and second sidewalls having an outer edge; and, a first stud clip arrangement comprising a pair of stud clips; (i) a first stud clip of said pair of stud clips having a point of attachment and a free end, said first stud clip comprising: (A) a front cam surface facing said first sidewall and extending at an acute angle thereto; and (B) a stud ridge receiver trough spaced apart from said point of attachment of said first stud clip and oriented: with a stud ridge receiver opening thereof directed away from said second sidewall; and, with the front cam surface of the first stud clip extending between the stud ridge receiver trough and the free end of the first stud clip; and, (ii) a second stud clip of said pair of stud clips having a point of attachment and a free end, said second stud clip comprising: (A) a front cam surface facing said second sidewall and extending at an acute angle thereto; and, (B) a stud ridge receiver trough spaced apart from said point of attachment of said first stud clip and oriented: with a stud ridge receiver opening directed away from said first sidewall; and, with the front cam surface of the second stud clip extending between the stud ridge receiver trough and the free end of the second stud clip; (b) providing a vertical wall stud including: (i) a back extension; (ii) first and second opposed hanger walls positioned with said back extension therebetween; (iii) a first stud ridge positioned on said first hanger wall and extending toward said second hanger wall; and (iv) a second stud ridge positioned on said second hanger wall and extending toward said first hanger wall; (c) positioning the vertical wall stud with an end thereof between the first and second sidewalls of the track arrangement; (d) moving the vertical wall stud toward the first pair of stud clips such that: (i) said first stud ridge of said vertical wall stud engages said front cam surface of said first stud clip; and (ii) said second stud ridge of said vertical wall stud engages said front cam surface of said second stud clip; (e) said step of moving including continuing to move the vertical wall stud toward the first pair of stud clips to: (i) bend the first stud clip toward the second sidewall; and (ii) bend the second stud clip toward the first sidewall; and (f) said step of moving including continuing to move the vertical wall stud until: (i) the first stud ridge engages the stud ridge receiver trough of the first stud clip, allowing the first stud clip to bend back toward the first sidewall; and, (ii) the second stud ridge engages the stud ridge receiver trough of the second stud clip, allowing the second stud clip to bend back toward the second sidewall. 21. A track arrangement for supporting a wall stud; said track arrangement comprising: (a) a first sidewall; and, (b) a first stud clip arrangement comprising at least a first clip; (i) said first clip comprising a first bent extension having a free end, said first bent extension comprising: (A) a spring extension projecting from a bend line on said first sidewall to said stud ridge receiver trough, the spring extension bending inwardly, from said first sidewall, at an inside angle within the range of 170° to 178°, inclusive; (B) a front cam surface facing said first sidewall and extending at an acute angle thereto; and (C) three bends defining a stud ridge receiver trough oriented: with a stud ridge receiver trough opening thereof directed toward said first sidewall; and, with the front cam surface of the first bent extension extending between the stud ridge receiver trough of the first bent extension and the free end of the first bent extension. 22. A track arrangement according to claim 21 wherein: (a) said first bent extension is centrally disposed relative to an outer edge of said first sidewall; and, (b) said second bent extension is centrally disposed relative to an outer edge of said second sidewall. 23. A track arrangement according to claim 1 wherein: (a) said three bends spaced apart from said point of attachment are located at least 0.75 inches from said point of attachment of the first clip. 24. A track arrangement according to claim 23 wherein: (a) said first clip includes ribs formed in at least a portion of the first clip between said point of attachment and said stud ridge receiver trough. a plurality of laterally spaced, generally fore and aft extending stern axes; and a plurality of bow propellers mounted on the watercraft adjacent the bow end, with each of the bow propellers being rotatable about a respective one of a plurality of laterally spaced, generally fore and aft extending bow axes; said stern and bow propellers being configured to comminute vegetation and propel the watercraft through water when rotated, each of said stern and bow propellers including a plurality of blades projecting radially relative to the respective one of the stern or bow axes, and further including a pair of knives extending in opposite directions from each of the blades. 9. An aquatic vegetation shredder, comprising: a watercraft; a plurality of stern propellers mounted on the watercraft adjacent the stern end, with each of the stern propellers being rotatable about a respective one of a plurality of laterally spaced, generally fore and aft extending stern axes; and a plurality of bow propellers mounted on the watercraft adjacent the bow end, with each of the bow propellers being rotatable about a respective one of a plurality of laterally spaced, generally fore and aft extending bow axes; said stern and bow propellers being configured to comminute vegetation and propel the watercraft through water when rotated, said plurality of stern propellers comprising only two of said stern propellers, and said plurality of said bow propellers comprising only two of bow propellers, said stern propellers each including a plurality of blades that project radially relative to the respective one of the stern axes and are pitched in an opposite direction than the blades of the other stern propeller, such that the stern propellers are rotated in opposite directions to propel the watercraft in a forward or backward direction, said bow propellers each including a plurality of blades that project radially relative to the respective one of the bow axes and are pitched in an opposite direction than the blades of the other bow propeller, such that the bow propellers are rotated in opposite directions to propel the watercraft in a forward or backward direction. 10. An aquatic vegetation shredder, comprising: a watercraft; a plurality of stern propellers mounted on the watercraft adjacent the stern end, with each of the stern propellers being rotatable about a respective one of a plurality of laterally spaced, generally fore and aft extending stern axes; and a plurality of bow propellers mounted on the watercraft adjacent the bow end, with each of the bow propellers being rotatable about a respective one of a plurality of laterally spaced, generally fore and aft extending bow axes; said stern and bow propellers being configured to comminute vegetation and propel the watercraft through water when rotated, each of said stern and bow propellers being adjustably supported on the watercraft so that each of propellers may be vertically shifted relative to the watercraft. 11. An aquatic vegetation shredder as claimed in claim 10; a stern frame rotatably supporting the stern propellers and being swingably mounted on the watercraft to permit simultaneous vertical shifting of the stern propellers relative to the watercraft; and a bow frame rotatably supporting the bow propellers and being swingably mounted on the watercraft to permit simultaneous vertical shifting of the bow propellers relative to the watercraft. 12. An aquatic vegetation shredder, comprising: a watercraft; a first vegetation chopping and propulsion unit supported on the watercraft adjacent the stern end; and a second vegetation chopping and propulsion unit supported on the watercraft adjacent the bow end, each of said vegetation chopping and propulsion units being operable to comminute vegetation and propel the watercraft through water, said vegetation chopping and propulsion units being generally similar in construction so as to similarly effect comminutio n of vegetation as well as propulsion of the watercraft, said first vegetation chopping and propulsion unit comprising a first pair of propellers mounted on the watercraft for rotation about a respective one of a first pair of laterally spaced, generally fore-and-aft extending axes, said second vegetation chopping and propulsion unit comprising a second pair of propellers mounted on the watercraft for rotation about a respective one of a second pair of laterally spaced, generally fore-and-aft extending axes, each of said pairs of propellers cooperatively extending from the port side to the starboard side of the watercraft and projecting laterally outward beyond the port and starboard sides. 13. An aquatic vegetation shredder as claimed in claim 12, said first pair of propellers being spaced rearwardly from the stern end of the watercraft, said second pair of propellers being spaced forwardly from the bow end of the watercraft. 14. An aquatic vegetation shredder as claimed in claim 13, each of said pairs of propellers being arranged so that the propellers are offset in a fore-and-aft direction relative to one another and partly overlap one another. 15. An aquatic vegetation shredder as claimed in claim 14, each of said propellers being about four to five feet in diameter. 16. An aquatic vegetation shredder as claimed in claim 12, said first and second vegetation chopping and propulsion units being independently operable so that operation of each unit is independent of operation of the other unit. 17. An aquatic vegetation shredder, comprising: a watercraft; a first vegetation chopping and propulsion unit supported on the watercraft adjacent the stern end; and a second vegetation chopping and propulsion unit supported on the watercraft adjacent the bow end, each of said vegetation chopping and propulsion units being operable to comminute vegetation and propel the watercraft through water, said vegetation chopping and propulsion units being generally similar in construction so as to similarly effect comminution of vegetation as well as propulsion of the watercraft, said first vegetation chopping and propulsion unit comprising a first pair of propellers mounted on the watercraft for rotation about a respective one of a first pair of laterally spaced, generally fore-and-aft extending axes, said second vegetation chopping and propulsion unit comprising a second pair of propellers mounted on the watercraft for rotation about a respective one of a second pair of laterally spaced, generally fore-and-aft extending axes, each of said propellers including a plurality of blades projecting radially relative to the respective one of the first or second axes, with at least some of the blades of the propellers being provided with at least one knife extending therefrom in a direction that is generally parallel to the respective axis. 18. An aquatic vegetation shredder, comprising: a watercraft; a first vegetation chopping and propulsion unit supported on the watercraft adjacent the stern end; and a second vegetation chopping and propulsion unit supported on the watercraft adjacent the bow end, each of said vegetation chopping and propulsion units being operable to comminute vegetation and propel the watercraft through water, said vegetation chopping and propulsion units being generally similar in construction so as to similarly effect comminution of vegetation as well as propulsion of the watercraft, said first vegetation chopping and propulsion unit comprising a first pair of propellers mounted on the watercraft for rotation about a respective one of a first pair of laterally spaced, generally fore-and-aft extending axes, said second vegetation chopping and propulsion unit comprising a second pair of propellers mounted on the watercraft for rotation about a respective one of a second pair of laterally spaced, generally fore-and-aft extending axes, each of said propellers including a plurality of blades projectin
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