Control method for a self-powered cryogen based refrigeration system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F17C-009/02
F25B-041/04
F25D-021/06
출원번호
US-0162436
(2002-06-04)
발명자
/ 주소
Vander Woude, David J.
Viegas, Herman H.
Seshadri, Jayaram
Glentz, Joseph Louis
Schwichtenberg, Bryan Edward
Stuart, William Ehrich
출원인 / 주소
Thermo King Corporation
대리인 / 주소
Michael Best & Friedrich LLP
인용정보
피인용 횟수 :
3인용 특허 :
114
초록▼
A method of temperature control in a cryogenic system, wherein the system includes a cryogenic tank. The method comprises providing a motor speed sensor which determines a motor speed, providing a pressure sensor which determines a cryogenic pressure, providing a temperature sensor in the conditione
A method of temperature control in a cryogenic system, wherein the system includes a cryogenic tank. The method comprises providing a motor speed sensor which determines a motor speed, providing a pressure sensor which determines a cryogenic pressure, providing a temperature sensor in the conditioned space which measures a temperature within the conditioned space, providing a deprived integral region, and generating an overriding control signal at the proportional-integral-derivative controller when the temperature and the pressure are beyond a temperature set point and a pressure set point.
대표청구항▼
A method of temperature control in a cryogenic system, wherein the system includes a cryogenic tank. The method comprises providing a motor speed sensor which determines a motor speed, providing a pressure sensor which determines a cryogenic pressure, providing a temperature sensor in the conditione
A method of temperature control in a cryogenic system, wherein the system includes a cryogenic tank. The method comprises providing a motor speed sensor which determines a motor speed, providing a pressure sensor which determines a cryogenic pressure, providing a temperature sensor in the conditioned space which measures a temperature within the conditioned space, providing a deprived integral region, and generating an overriding control signal at the proportional-integral-derivative controller when the temperature and the pressure are beyond a temperature set point and a pressure set point. g that is rotatingly received between the flanges of the blade and that, in the locking position, co-operates with the transverse element and in the unlocking position, is disengaged in relation to the transverse element. 4. The wiper according to claim 1, wherein the lock includes abutment means for locating the locking and unlocking positions in relation to the connector. 5. The wiper according to claim 1, wherein the lock includes elastic means that force the lock toward either the locking position or the unlocking position. 6. The wiper according to claim 1, wherein said transverse element is a rod, wherein the lock disengages from a locked position when a rear part of the lock is depressed and a hooked lug on the lock disengages from the rod located on the wiper blade permitting detachment of the blade from the connector. 7. A motor vehicle wiper wherein a wiper blade is articulated to a longitudinal end of a wiper arm by a connector articulated on the arm and fixed over a linking portion of the blade, wherein the linking portion includes two substantially longitudinal and parallel lateral flanges, and a transverse element extending between the two flanges and co-operating with a mobile lock carried by the connector for fixing the connector on the blade, characterized in that the lock is articulated on the connector between a locking position and an unlocking position, and the lock is articulated on the connector around a transverse axis. 8. A motor vehicle wiper wherein a wiper blade is articulated to a longitudinal end of a wiper arm by a connector articulated on the arm and fixed over a linking portion of the blade, wherein the linking portion includes two substantially longitudinal and parallel lateral flanges, and a transverse element extending between the two flanges and co-operating with a mobile lock carried by the connector for fixing the connector on the blade, characterized in that the lock is articulated on the connector between a locking position and an unlocking position, and the transverse element is formed by a plate element that extends between the two flanges and is equipped with a longitudinal slit formed in a front transversal edge of the plate element and that, in the unlocking position of the lock, a hooked lug extends opposite from the slit and that, in the locking position, the hooked lug co-operates by pushing against an abutment face of the plate element that is longitudinally arranged behind the slit. 9. A motor vehicle wiper wherein a wiper blade is articulated to a longitudinal end of a wiper arm by a connector articulated on the arm and fixed over a linking portion of the blade, wherein the linking portion includes two substantially longitudinal and parallel lateral flanges, and a transverse element extending between the two flanges and co-operating with a mobile lock carried by the connector for fixing the connector on the blade, characterized in that the lock is articulated on the connector between a locking position and an unlocking position, and the lock includes an elastic lug that extends substantially in a circular arc around an articulation axis of the lock and that includes a cam surface that, when the lock is between the locking and unlocking positions, co-operates with a fixed surface of the connector in order to elastically deform the lug. 10. The wiper according to claim 9, wherein the lock includes a handling plate that extends perpendicular to a transverse axis of the lock. 11. The wiper according to claim 10, wherein the handling plate includes, at a free end, elastic fittings that co-operate with complementary means of the connector for keeping the lock in a locking position. 12. A motor vehicle wiper comprising: an articulated wiper blade pivotally connected to a longitudinal end of a wiper arm; a connector positioned over a linking portion of the blade, the linking portion having two substantially longitudinal and parallel lateral flanges; a transverse element extendin g between the two flanges of the linking portion; and a mobile lock carried by the connector and operably associated with the linking portion of the blade for connecting the connector with the blade, the lock pivoting on the connector between locked and unlocked positions. 13. The wiper of claim 12, wherein the connector positioned on the linking portion of the blade is held in position by the lock operably engaging a lower face of the transverse element. 14. The wiper of claim 12, wherein the lock further comprises: a hooked lug rotatingly received between the flanges of the blade in the locked position the hooked lug rotatingly disengaged from the transverse element in the unlocked position. 15. The wiper of claim 12, wherein the lock further comprises: abutment means for locating the locked and unlocked positions in relation to the connector. 16. The wiper of claim 12, wherein the lock further comprises: elastic means for forcing the lock toward either the locked or the unlocked position. 17. The wiper of claim 12, wherein said transverse element is a rod, wherein the lock disengages from a locked position when a rear part of the lock is depressed and a hooked lug on the lock disengages from the rod located on the wiper blade permitting detachment of the blade from the connector. 18. A motor vehicle wiper comprising: an articulated wiper blade pivotally connected to a longitudinal end of a wiper arm; a connector positioned over a linking portion of the blade, the linking portion having two substantially longitudinal and parallel lateral flanges; a transverse element extending between the two flanges of the linking portion; and a mobile lock carried by the connector and operably associated with the linking portion of the blade for connecting the connector with the blade, the lock pivoting on the connector between locked and unlocked positions, and the lock is articulated on the connector around a transverse axis. 19. A motor vehicle wiper comprising: an articulated wiper blade pivotally connected to a longitudinal end of a wiper arm; a connector positioned over a linking portion of the blade, the linking portion having two substantially longitudinal and parallel lateral flanges; a transverse element extending between the two flanges of the linking portion, the transverse element formed by a plate element having a longitudinal slit formed therein, the plate extending between the two flanges of the wiper blade; a mobile lock carried by the connector and operably associated with the linking portion of the blade for connecting the connector with the blade, the lock pivoting on the connector between locked position and unlocked positions; and a hooked lug extending apart from the plate in the unlocked position and the hooked lug engaging an abutment face of the plate element in the locked position. 20. A motor vehicle wiper comprising: an articulated wiper blade pivotally connected to a longitudinal end of a wiper arm; a connector positioned over a linking portion of the blade, the linking portion having two substantially longitudinal and parallel lateral flanges; a transverse element extending between the two flanges of the linking portion; a mobile lock carried by the connector and operably associated with the linking portion of the blade for connecting the connector with the blade, the lock pivoting on the connector between locked position and unlocked positions; and an elastic lug formed on the lock extending in an arcuate manner from an edge of the lock coinciding with an articulation axis of the lock, the elastic lug includes a cam surface for engaging a fixed surface of the connector when the lock is in the locked position. 21. The wiper of claim 20, wherein the lock further comprises: a handling plate extending perpendicular to a transverse axis of the lock. 22. The wiper of claim 21, wherein the handling plate comprises: elastic fittings extending outwardly from the han
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이 특허에 인용된 특허 (114)
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Taylor David H. (Minneapolis MN) Viegas Herman H. (Bloomington MN) Roehrich Roland L. (Pittsburgh PA), Air conditioning and refrigeration apparatus utilizing a cryogen.
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Viegas Herman H. (Bloomington MN) Ellingson Bradley G. (Bloomington MN) Aronov Michael A. (Beachwood OH) Sheridan Roger D. (Wadsworth OH), Apparatus and method for vaporizing a liquid cryogen and superheating the resulting vapor.
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Wallace David E. (Oregon WI) Schulte Jeffrey P. (Somerset NJ), Method and apparatus for supplementing mechanical refrigeration by the controlled introduction of a cryogen.
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Hoium Stanley O. ; Freund Peter W., Temperature control system and method for efficiently obtaining and maintaining the temperature in a conditioned space.
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Howland Leland L. (Belle Plaine MN) Taylor David H. (Minneapolis MN) Satterness Cynthia J. (Bloomington MN), Transport refrigeration system with secondary condenser and maximum operating pressure expansion valve.
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