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An ultrasonic resonator comprising a wire member with an elongated shaft having a proximal end and a distal end, the proximal end further including a filler material disposed within the proximal end; a crimp screw with an annular end and a threaded end, the annular end adapted to receive and fixedly

An ultrasonic resonator comprising a wire member with an elongated shaft having a proximal end and a distal end, the proximal end further including a filler material disposed within the proximal end; a crimp screw with an annular end and a threaded end, the annular end adapted to receive and fixedly secure the proximal end of the wire member, the annular end being crimped after the proximal end of the wire member is inserted within the annular end of the crimp screw; an ultrasonic transducer adapted to receive the threaded end of the crimp screw; and the ultrasonic transducer operatively connected to an ultrasonic generator.

대표청구항 ▼

An ultrasonic resonator comprising a wire member with an elongated shaft having a proximal end and a distal end, the proximal end further including a filler material disposed within the proximal end; a crimp screw with an annular end and a threaded end, the annular end adapted to receive and fixedly

An ultrasonic resonator comprising a wire member with an elongated shaft having a proximal end and a distal end, the proximal end further including a filler material disposed within the proximal end; a crimp screw with an annular end and a threaded end, the annular end adapted to receive and fixedly secure the proximal end of the wire member, the annular end being crimped after the proximal end of the wire member is inserted within the annular end of the crimp screw; an ultrasonic transducer adapted to receive the threaded end of the crimp screw; and the ultrasonic transducer operatively connected to an ultrasonic generator. 07; US-6127767, 20001000, Lee et al., 310/309; US-6137206, 20001000, Hill, 310/206; US-6159385, 20001200, Yao et al., 216/033; US-6188322, 20010200, Yao et al., 340/664; US-6232841, 20010500, Bartlett et al., 330/305; US-6232847, 20010500, Marcy, V et al., 331/167; US-6236281, 20010500, Nguyen et al., 331/154; US-6348788, 20020200, Yao et al., 324/099.R; US-6417743, 20020700, Mihailovich et al., 333/024.C; US-6463339, 20021000, Vasko, 700/018; US-6497141, 20021200, Turner et al., 073/105 8.D; US-6114783, 20000900, Asao, 310/058; US-6121699, 20000900, Kashihara et al., 310/068.D; US-6150196, 20001100, Tanaka et al., 438/122; US-6184600, 20010200, Asao et al., 310/064; US-6198188, 20010300, Ihata, 310/068.D; US-6285100, 20010900, Pflueger et al., 310/068.D; US-6307289, 20011000, Skala, 310/068.D; US-6359352, 20020300, Asao, 310/068.D; US-20020033646, 20020300, Tanaka et al., 310/071; US-20020043885, 20020400, Asao et al., 310/090 laim 12; wherein the positional offset preventing means comprises a strip of metal disposed between the corrugated damper members. 14. A magnetic bearing apparatus according to claim 13; wherein a sum of a thickness of the strip of metal and a thickness of one of the corrugated damper members is 0.8 to 1.3 times a width of the annular gap. 15. A magnetic bearing apparatus according to claim 12; wherein the positional offset preventing means comprises an annular portion extending from the inner circumferential surface of the retainer member. 16. A magnetic bearing apparatus according to claim 15; wherein a sum of a thickness of the annular portion in the radial direction and a thickness of one of the corrugated damper members is 0.8 and 1.3 times of a width of the annular gap. 17. A magnetic bearing apparatus according to claim 15; wherein the annular portion extends into the annular gap and divides the annular gap into a pair of annular gap portions each receiving a respective one of the corrugated damper members. 18. A magnetic bearing apparatus comprising: a rotor shaft; a radial magnetic bearing for supporting the rotor shaft in a radial direction; a thrust magnetic bearing for supporting the rotor shaft in an axial direction; a pair of roller bearings having inner and outer race members and disposed between the thrust magnetic bearing and a portion of the rotor shaft; a retainer member surrounding the pair of roller bearings and forming an annular gap between the outer race members and an inner circumferential surface of the retainer member, the retainer member having an annular recess formed in the inner circumferential surface thereof and communicating with the annular gap; and a corrugated damper member disposed in the annular recess of the retaining member. 19. A magnetic bearing apparatus according to claim 18; wherein a sum of a depth of the annular recess of the retainer member and a thickness of the corrugated damper member is 0.8 to 1.3 times a width of the annular gap. 20. A magnetic bearing apparatus according to claim 18; wherein the corrugated damper member comprises a single strip of metal.