IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0010407
(2001-12-06)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
20 |
초록
▼
A vent apparatus includes a valve assembly and a tank mount adapted to support the valve assembly in a mounting aperture formed in a fuel tank. The valve assembly includes a movable vent valve and a valve housing containing the movable vent valve. A labyrinthine boundary is established between the v
A vent apparatus includes a valve assembly and a tank mount adapted to support the valve assembly in a mounting aperture formed in a fuel tank. The valve assembly includes a movable vent valve and a valve housing containing the movable vent valve. A labyrinthine boundary is established between the valve housing and the tank mount to provide a low-permeation joint therebetween. The valve housing is made of a non-weldable plastics material and the tank mount is made of a weldable plastics material.
대표청구항
▼
A vent apparatus includes a valve assembly and a tank mount adapted to support the valve assembly in a mounting aperture formed in a fuel tank. The valve assembly includes a movable vent valve and a valve housing containing the movable vent valve. A labyrinthine boundary is established between the v
A vent apparatus includes a valve assembly and a tank mount adapted to support the valve assembly in a mounting aperture formed in a fuel tank. The valve assembly includes a movable vent valve and a valve housing containing the movable vent valve. A labyrinthine boundary is established between the valve housing and the tank mount to provide a low-permeation joint therebetween. The valve housing is made of a non-weldable plastics material and the tank mount is made of a weldable plastics material. tracheal tissue surfaces diminishing and/or reducing a condition known as a tracheal-esophageal fistula or arterial fistula from forming on tracheal tissue surface; verifying placement by a physician of said inner cannula mated to said outer cannula with a lateral tracheal airway x-ray to ensure proper position of the tracheostomy tube assembly. said wind is beyond a predetermined threshold. 11. An apparatus as claimed in claim 10 wherein said wind-sensing device is one of a wind-force sensor, a distortion sensor, and a torque sensor. 12. An apparatus as claimed in claim 1 additionally comprising: a plurality of wind-sensing devices; and a controller coupled to said second pivot, coupled to said plurality of wind-sensing devices, and configured to cause said collector assembly to assume said wind-stow position when one of said plurality of wind-sensing devices senses a wind having a speed above a predetermined speed. 13. A celestial tracking apparatus comprising: a support; a tracking assembly; a first pivot coupled between said support and said tracking assembly; a collector assembly having a center of gravity, having a facing plane, and having a target axis substantially perpendicular to said facing plane and passing through said center of gravity; a second pivot coupled between said tracking assembly and said collector assembly, and displaced from said target axis and said center of gravity thereupon so that said collector assembly pivots to a wind-stow position in a presence of a failure in said apparatus; a wind-sensing device; a first controller coupled to said second pivot, coupled to said wind-sensing device, and configured to cause said collector assembly to assume said wind-stow position when said wind-sensing device senses a wind having a speed greater than a first predetermined speed; and a second controller coupled to said second pivot, coupled to said wind-sensing device, and configured to cause said collector assembly to assume said wind-stow position when said wind-sensing device senses a wind having a speed greater than a second predetermined speed, said second predetermined speed being greater than said first predetermined speed. 14. A celestial tracking apparatus comprising: a support; a tracking assembly; a first pivot coupled between said support and said tracking assembly; a collector assembly having a center of gravity, having a facing plane, and having a target axis substantially perpendicular to said facing plane and passing through said center of gravity; a second pivot coupled between said tracking assembly and said collector assembly, and displaced from said target axis and said center of gravity thereupon so that said collector assembly pivots to a wind-stow position in a presence of a failure in said apparatus; and a latching device configured to inhibit movement of said collector assembly out of said wind-stow position. 15. A celestial tracking apparatus comprising: a support; a tracking assembly; a first pivot coupled between said support and said tracking assembly; a collector assembly having a center of gravity, having a facing plane, and having a target axis substantially perpendicular to said facing plane and passing through said center of gravity; a second pivot coupled between said tracking assembly and said collector assembly, and displaced from said target axis and said center of gravity thereupon so that said collector assembly pivots to a wind-stow position in a presence of a failure in said apparatus; and a safety device configured to inhibit movement of said collector assembly into said wind-stow position. 16. A celestial tracking apparatus comprising: a support; a tracking assembly; a first pivot coupled between said support and said tracking assembly; a first actuator coupled between said support and said tracking assembly and configured to azimuthally pivot said target axis about said first pivot; a second actuator coupled between said tracking assembly and said collector assembly and configured to elevationally pivot said target axis about said second pivot from a proximally horizontal direction to a wind-stow direction farther from said proximally horizontal direction than a vertical direction; a collector assembly having a center of gravity, having a facing plane, and hav ing a target axis substantially perpendicular to said facing plane and passing through said center of gravity; a second pivot coupled between said tracking assembly and said collector assembly, and displaced from said target axis and said center of gravity thereupon so that said collector assembly pivots to a wind-stow position in a presence of a failure in said apparatus; and a controller coupled to said first actuator, coupled to said second actuator, and configured to cause said target axis to assume a wind-stow direction. 17. A method of controlling the placement of a collector assembly of a celestial tracking apparatus into a wind-stow position, said method comprising pivoting said collector assembly about a pivot, wherein: said collector assembly has a center of gravity, a facing plane, and a target axis substantially perpendicular to said facing plane and passing through said center of gravity; said pivoting activity elevationally pivots said collector assembly from a first position wherein said target axis effects a direction between a proximally horizontal direction and a vertical direction, to a wind-stow position wherein said target axis effects a wind-stow direction farther from said proximally horizontal direction than said vertical direction; and said pivot is displaced from said target axis and said center of gravity thereupon so that said target axis pivots to said wind-stow direction. 18. A method as claimed in claim 17 wherein: said method additionally comprises receiving a command to enter wind stow from an operator; and said pivoting activity pivots said target axis to said wind-stow direction in response to said command. 19. A method as claimed in claim 17 wherein: said method additionally comprises receiving a command to exit wind stow from an operator; and said pivoting activity pivots said target axis away from said wind-stow direction in response to said command. 20. A method as claimed in claim 17 wherein: said method additionally comprises determining the occurrence of a system failure within said apparatus; and said pivoting activity pivots said target axis to said wind-stow direction when said determining activity determines said system failure has occurred within said apparatus. 21. A method as claimed in claim 17 additionally comprising inhibiting, through the influence of gravity, movement of said collector assembly out of said wind-stow position. 22. A method of controlling the placement of a collector assembly of a celestial tracking apparatus into a wind-stow position, said method comprising: determining if a wind has a speed greater than or equal to a predetermined speed for at least a predetermined period of time; and pivoting said collector assembly about a pivot, wherein: said collector assembly has a center of gravity, a facing plane, and a target axis substantially perpendicular to said facing plane and passing through said center of gravity; said pivot is displaced from said target axis and said center of gravity so that said collector assembly pivots to said wind-stow position in a presence of a failure in said apparatus; and said collector assembly pivots into said wind-stow position when said determining activity determines said wind has a speed greater than or equal to said predetermined speed for at least said predetermined period of time. 23. A method as claimed in claim 22 wherein: said predetermined speed is less than or equal to 15.6 m/s; and said predetermined period of time is greater than or equal to 2 s. 24. A method as claimed in claim 22 wherein said predetermined speed is a first predetermined speed and said predetermined period of time is a first predetermined period of time, and wherein: said method additionally comprises establishing if said collector assembly is in said wind-stow position; said method additionally comprises ascertaining, when said establishing activity establishes that said collector assembly is in s aid wind-stow position, if said collector assembly is in said wind-stow position because said determining activity determined said wind had a speed greater than or equal to said first predetermined speed for at least said first predetermined period of time; said method additionally comprises discovering if said wind has a speed less than or equal to a second predetermined speed for at least a second period of time; and said pivoting activity pivots said collector assembly out of said wind-stow position when said ascertaining activity ascertains that said collector assembly is in said wind-stow position because said determining activity determined said wind had a speed greater than or equal to said first predetermined speed for at least said first predetermined period of time and said discovering activity discovers said wind has a speed less than or equal to a second predetermined speed for at least a second period of time. 25. A method as claimed in claim 24 wherein: said first predetermined speed is less than or equal to 15.6 m/s; said first predetermined period of time is greater than or equal to 2 s; said second predetermined speed is greater than or equal to 3.4 m/s; and said second predetermined period of time is less than or equal to 3600 s. 26. A method of controlling the placement of a collector assembly of a celestial tracking apparatus into a wind-stow position, said method comprising: a) determining, in a first controller, if a wind has a speed greater than a first predetermined speed; b) determining, in a second controller, if a wind has a speed greater than a second predetermined speed; and c) pivoting said collector assembly about a pivot, wherein: said collector assembly has a center of gravity, a facing plane, and a target axis substantially perpendicular to said facing plane and passing through said center of gravity; said pivot is displaced from said target axis and said center of gravity so that said collector assembly pivots to said wind-stow position in a presence of a failure in said apparatus; and said collector assembly pivots into said wind-stow position when one of said determining activity a) and said determining activity b) determines said wind has a speed greater than one of said first predetermined speed and said second predetermined speed, respectively, for a predetermined period of time. 27. A method as claimed in claim 26 wherein: said first predetermined speed is less than or equal to 11.2 m/s; said second predetermined speed is greater than or equal to 12.1 m/s; and said predetermined period of time is greater than or equal to 7.5 s. 28. A method of controlling the placement of a collector assembly of a celestial tracking apparatus into a wind-stow position, said method comprising: pivoting said collector assembly about a pivot, wherein said collector assembly has a center of gravity, a facing plane, and a target axis substantially perpendicular to said facing plane and passing through said center of gravity, and wherein said pivot is displaced from said target axis and said center of gravity so that said collector assembly pivots to said wind-stow position in a presence of a failure in said apparatus; and latching said collector assembly into said wind-stow position. 29. A method of controlling the placement of a collector assembly of a celestial tracking apparatus into a wind-stow position, said method comprising: pivoting said collector assembly about a pivot, wherein said collector assembly has a center of gravity, a facing plane, and a target axis substantially perpendicular to said facing plane and passing through said center of gravity, and wherein said pivot is displaced from said target axis and said center of gravity so that said collector assembly pivots to said wind-stow position in a presence of a failure in said apparatus; and inhibiting said collector assembly from moving into said wind-stow position. 30. A celestial tracking apparatus
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