An inlet guide vane device having a central axis comprises a first base, a guide sleeve, a blade, a second base, a transmission disk, and an actuator. The first base has at least one first support groove and at least one guide groove. The first support groove extends along a radial direction of the
An inlet guide vane device having a central axis comprises a first base, a guide sleeve, a blade, a second base, a transmission disk, and an actuator. The first base has at least one first support groove and at least one guide groove. The first support groove extends along a radial direction of the central axis, and the at least one guide groove is located in the first support groove. The guide sleeve is disposed on the first support groove in a manner that the guide sleeve is capable of moving along the radial direction. The guide sleeve has a sliding sleeve, an upper guide post and a lower guide post, the sliding sleeve has a through hole extending along the radial direction. The upper guide post and the lower guide post pass through the sliding groove, and the lower guide post is movably disposed on the guide groove.
대표청구항▼
1. An inlet guide vane device having a central axis and comprising: a first base having at least one first support groove and at least one guide groove, the at least one first support groove extending along a radial direction of the central axis, and the at least one guide groove being located in th
1. An inlet guide vane device having a central axis and comprising: a first base having at least one first support groove and at least one guide groove, the at least one first support groove extending along a radial direction of the central axis, and the at least one guide groove being located in the first support groove;a guide sleeve disposed on the at least one first support groove in a manner that the guide sleeve is capable of moving along the radial direction, wherein the guide sleeve has a sliding sleeve, an upper guide post and a lower guide post, the sliding sleeve has a through hole extending along the radial direction, the upper guide post and the lower guide post pass through the sliding groove, and the lower guide post is movably disposed on the guide groove;a blade, wherein one end of the blade is connected to a shaft, the outer surface of the shaft has two spiral grooves, the blade is rotatably disposed through the through hole of the guide sleeve, the two spiral grooves match the upper guide post and the lower guide post respectively, and the blade extends from the shaft to the central axis;a second base disposed on the first base and having an annular groove surrounding the central axis, wherein the blade is between the second base and the first base;a transmission disk disposed between the annular groove and the guide sleeve, wherein the transmission disk has a guide groove, the distance between one end of the guide groove to the central axis is different from the distance between the other end of the guide groove to the central axis, and the upper guide post is movably disposed on the guide groove; andan actuator connected to the transmission disk for driving the transmission disk to rotate and thus driving the guide sleeve to move back and forth, so that the upper post and the lower post drive the blade to rotate in order to open or close the blade. 2. The inlet guide van edevice according to claim 1, wherein a rotation angle of the blade is in a 90-degree range. 3. The inlet guide vane device according to claim 1, wherein the transmission disk comprises a teeth portion with which the actuator engages. 4. The inlet guide vane device according to claim 1, wherein the second base has a limit groove, and the transmission disk comprises a limit protrusion for being limited in the limit groove of the second base in a movable manner. 5. The inlet guide vane device according to claim 1, wherein the guide groove extends along the radial direction. 6. The inlet guide vane device according to claim 1, further comprising an air inlet penetrating the first base, the second base and the transmission disk, and the blade being inside the air inlet. 7. An inlet guide vane device having a central axis and comprising: a first base having at least one first support groove, and the at least one first support groove extending along a radial direction of the central axis;a blade, wherein one end of the blade is connected to a shaft, the shaft comprises a helical gear, the shaft is rotatably disposed in the at least one first support groove, and the blade extends from the shaft towards the central axis;a second base disposed on the first base, wherein the blade is between the first base and the second base, the second base has at least one second support groove, an annular groove surrounding the central axis and a limit groove, wherein the second support groove extends from the radial direction of the central axis, and the shaft is located between the first support groove and the second support groove in a rotatable manner;a transmission disk disposed between the annular groove and the second base, wherein the transmission disk has an annular oblique teeth part and a limit protrusion, the limit protrusion is in the limit groove, and the annular oblique teeth part engages with the helical gear in a movable manner; andan actuator connected to the transmission disk for driving the transmission disk to rotate and thus driving the guide sleeve to move back and forth, so that the upper post and the lower post drive the blade to rotate in order to open or close the blade. 8. The inlet guide vane device according to claim 7, wherein the first base has an accommodating recess, and the helical gear is inside the accommodating recess. 9. The inlet guide vane device according to claim 7, wherein the helical gear faces the first base. 10. The inlet guide vane device according to claim 7, wherein a rotation angle of the blade is in a 90-degree range. 11. The inlet guide vane device according to claim 7, wherein the transmission disk further comprises a limit block, the second base further comprises a through groove, the limit block is in the through groove. 12. The inlet guide vane device according to claim 7, wherein the transmission disk has a teeth portion, and the actuator engages with the teeth portion. 13. The inlet guide vane device according to claim 7, further comprising an air inlet penetrating the first base, the second base and the transmission disk, and wherein the blade is inside the air inlet. 14. An inlet guide vane device having a central axis and comprising: a first base having at least one first support groove and at least one guide groove, the at least one first support groove extending along a radial direction of the central axis, and the at least one guide groove being located in the at least one first support groove;a first guide sleeve disposed on the at least one first support groove in a manner that the first guide sleeve is capable of moving along the radial direction, wherein the first guide sleeve has a first sliding sleeve, a first upper guide post and a first lower guide post, the first sliding sleeve has a first through hole extending along the radial direction, the first upper guide post and the first lower guide post pass through the outside of the first sliding sleeve, and the first lower guide post is movably disposed on the first guide groove;a first blade, wherein one end of the first blade is connected to a first shaft, the outer surface of the first shaft has two first spiral grooves, the first blade is rotatably disposed through the first through hole of the first guide sleeve, the two first spiral grooves match the first upper guide post and the first lower guide post respectively, and the first blade extends from the first shaft to the central axis;a second base having at least one second support groove and at least one second guide groove, wherein the at least one second support groove extends along the radial direction, and the at least one second guide groove is located in the at least one second support groove;a central base having a first surface and a second surface opposite to the first surface, a third support groove, a fourth support groove and a first annular groove and a second annular groove both surrounding the central axis, wherein the second base is disposed on the second surface, both the third support groove and the fourth support groove extend along the radial direction of the central axis, the first guide sleeve is disposed between the first support groove and the third support groove in a rotatable manner, and the first annular groove and the second annular groove are located on the first surface and the second surface, respectively;a first transmission disk disposed between the first annular groove and the first guide sleeve, wherein the first transmission disk has at least one first guide groove, the distance between one end of the at least one first guide groove to the central axis is different from the distance between the other end of the at least one first guide groove to the central axis, and the first upper guide post is movably disposed on the at least one first guide groove;a second guide sleeve disposed between the second support groove and the fourth support groove in a manner that the second guide sleeve being capable of moving along the radial direction, wherein the second guide sleeve has a second sliding sleeve, a second upper guide post and a second lower guide post, the second sliding sleeve has a second through hole extending along the radial direction, both the second upper guide post and the second lower guide post pass through the second sliding sleeve, and the second lower guide post is movably disposed on the second guide groove;a second blade, wherein one end of the second blade is connected to a second shaft, the outer surface of the second shaft has two second spiral grooves, the second blade passes through the second through hole of the second guide sleeve in a rotatable manner, the two second spiral grooves match the second upper guide post and the second lower guide post, respectively, and the second blade extends from the second shaft to the central axis;a second transmission disk disposed between the second annular groove and the second guide sleeve, the second transmission disk has at least one second guide groove, one end of the at least one second guide groove to the central axis is different from the distance between the other end of the second guide groove to the central axis, and the second upper guide post is movably disposed on the second guide groove;a rod, the opposite ends thereof are respectively fixed to the first transmission disk and the second transmission disk; andan actuator connected to the rod, the first transmission disk or the second transmission disk, wherein the actuator drives the first transmission disk and the second transmission disk to rotate at the same time, for driving the first guide sleeve and the second guide sleeve to move back and forth, in order that the first upper guide post, the first lower guide post, the second upper guide post and the second lower guide post respectively drive the first blade and the second blade to rotate, for opening or closing the first blade and the second blade. 15. The inlet guide vaen device according to claim 14, wherein trotation angles of the first blade and the second blade are in a 90-degree range. 16. The inlet guide vane device according to claim 14, wherein the first transmission disk comprises a first teeth portion. 17. The inlet guide vane device according to claim 16, wherein the actuator engages with the first teeth portion. 18. The inlet guide vane device according to claim 14, wherein the central base has a first limit recess, the first transmission disk comprises a first limit protrusion, and the first limit protrusion is disposed in the first limit recess. 19. The inlet guide vane device according to claim 18, wherein the central base has a second limit recess locating on the second surface, the first limit recess is located on the first surface, the second transmission disk has a second limit protrusion, and the second limit protrusion is disposed on the second limit recess. 20. The inlet guide vane device according to claim 14, wherein the first base has a first limit recess, the first transmission disk has a first limit protrusion, and the first limit protrusion is located in the first limit recess. 21. The inlet guide vane device according to claim 20, wherein the second base has a second limit recess, the second transmission disk has a second limit protrusion, and the second limit protrusion is located in the second limit recess. 22. The inlet guide vane device according to claim 14, wherein the first guide groove and the second guide groove extend along the radial direction. 23. The inlet guide vane device according to claim 14, further comprising an air inlet penetrating the first base, the first transmission disk, the central base, the second transmission disk and the second base, and the first blade and the second blade are located in the air inlet. 24. An inlet guide vane device having a central axis and comprising: a first base having a first annular groove extending and surrounding the central axis as well as a first support groove extending along a radial direction of the central axis;a first transmission disk being disposed in the first annular groove and having a first annular oblique teeth part;a second base, having a second annular groove extending and surrounding the central axis as well as a second support groove extending along a radial direction of the central axis;a central base disposed between the first base and the second base, wherein the first transmission disk is located between the central base and the first base, the central base has a first surface, a second surface opposite to the first surface, a third support groove located on the first surface and extending along the radial direction of the central axis, and a fourth support groove located on the second surface and extending along the radial direction of the central axis, wherein the first surface faces the first base and the first transmission disk;a first blade, wherein one end thereof is connected to a first shaft, the first shaft comprises a first helical gear, the first shaft is disposed between the first support groove and the third support groove in a rotatable manner, the first blade extends from the first shaft towards the central axis, and the first annular oblique teeth part engages with the first helical gear in a movable manner;a second transmission disk disposed in the second annular groove, wherein the second transmission disk has a second annular oblique teeth part facing the second surface;a second blade, wherein one end thereof is connected to a second shaft, the second shaft comprises a second helical gear, the second annular oblique teeth part engages with the second helical gear in a movable manner, the second shaft is disposed between the first support groove and the third support groove in a rotatable manner, the second blade extends from the first shaft towards the central axis;a rod, the opposite ends thereof are respectively fixed to the first transmission disk and the second transmission disk; andan actuator connected to the rod, the first transmission disk or the second transmission disk, wherein the actuator drives the first transmission disk and the second transmission disk to rotate at the same time, for driving the first helical gear and the second helical gear to rotate back and forth, in order to drive the first blade and the second blade to rotate, for opening or closing the first blade and the second blade. 25. The inlet guide vane device according to claim 24, wherein the first base has a first limit recess, the first transmission disk has a first limit protrusion located in the first limit recess. 26. The inlet guide vane device according to claim 25, wherein the second base has a second limit recess, the second transmission disk has a second limit protrusion located in the second limit recess. 27. The inlet guide vane device according to claim 24, wherein the central base has a first limit recess located on the first surface, while the first transmission disk has a first limit protrusion located in the first limit recess. 28. The inlet guide vane device according to claim 27, wherein the central base has a second limit recess located on the second surface, and the first limit recess is located on the first surface, and the second transmission disk has a second limit protrusion located in the second limit recess. 29. The inlet guide vane device according to claim 24, wherein both the first annular tooth and the second annular tooth face the central base. 30. The inlet guide vane device according to claim 24, wherein rotation angles of the first blade and the second blade are both in a 90-degree range. 31. The inlet guide vane device according to claim 24, wherein the first transmission disk has a first teeth portion, and the rod is connected to the first teeth portion. 32. The inlet guide vane device according to claim 31, wherein the first teeth portion engages with the actuator. 33. The inlet guide vane device according to claim 24, further comprising an air inlet penetrating the first base, the first transmission disk, the central base, the second transmission disk and the second base, and the first blade and the second blade are located in the air inlet. 34. The inlet guide vane device according to claim 24, wherein the central base has a first annular accommodating recess which is located on the first surface and surrounds the central axis, and a second annular accommodating recess which is located on the second surface and surrounds the central axis, while the first helical gear and the second helical gear are respectively disposed in the first annular accommodating recess and the second annular accommodating recess in a rotatable manner.
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이 특허에 인용된 특허 (12)
Dawson John (Boxford MA), Actuator for variable vanes.
Corsmeier Robert J. (Cincinnati OH) Hauser Ambrose A. (Wyoming OH), Blade tip clearance control apparatus using cam-actuated shroud segment positioning mechanism.
Thermos, Anthony Constantine; Wassynger, Stephen Paul; Collado, Carlos Alberto; Patil, Ajay Gangadhar; Silver, Cj, Features to properly orient inlet guide vanes.
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