IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0264869
(1994-06-24)
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발명자
/ 주소 |
- Renshaw Anthony A. (Albany NY) Lee Minyoung (Schenectady NY)
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출원인 / 주소 |
- General Electric Company (Schenectady NY 02)
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인용정보 |
피인용 횟수 :
7 인용 특허 :
0 |
초록
▼
An improved x-ray system/tube comprising an enclosure having oil contained therein, an oil pump, for circulating oil within the system, at least one cooling structure operatively connected to the enclosure and the oil pump, for cooling the oil, an x-ray tube, operatively positioned inside the enclos
An improved x-ray system/tube comprising an enclosure having oil contained therein, an oil pump, for circulating oil within the system, at least one cooling structure operatively connected to the enclosure and the oil pump, for cooling the oil, an x-ray tube, operatively positioned inside the enclosure for generating and directing x-rays toward a target, the x-ray tube comprising: a glass envelope, a cathode, operatively positioned in the glass envelope, an anode assembly including a rotor and a stator, operatively positioned relative to the rotor, a target, operatively positioned relative to the cathode and operatively connected to the anode assembly, for directing x-rays out of the system, and bearing structure having opposing surfaces and lubricant means having debris therein, operatively connected to the anode assembly, for enabling the target to rotate at a high rate and at a low resistance, the bearing structure including means for capturing the debris such that bearing performance is maintained at or near the level of a bearing structure having no debris therein. The debris capturing means can be grooved, operatively positioned in the bearing structure, for preventing debris from moving to the interface point between the bearing surfaces. This can be accomplished by positioning various grooves in various types of bearing and by forming ridges in the grooves already in the bearing for capturing the debris.
대표청구항
▼
An x-ray system comprising; an enclosure; at least one cooling means, operatively connected to the enclosure, for cooling the system; an x-ray tube, operatively positioned inside the enclosure, for generating and directing x-rays toward a target, the x-ray tube comprising: an envelope; a cathode, op
An x-ray system comprising; an enclosure; at least one cooling means, operatively connected to the enclosure, for cooling the system; an x-ray tube, operatively positioned inside the enclosure, for generating and directing x-rays toward a target, the x-ray tube comprising: an envelope; a cathode, operatively positioned in the envelope; an anode assembly including a rotor and a stator, operatively positioned relative to the rotor; a target, operatively positioned relative to the cathode and operatively connected to the anode assembly, for directing x-rays out of the system; and bearing structure having opposing surfaces and lubricant means having debris therein, operatively connected to the anode assembly, for enabling the target to rotate at a high rate and at a low resistance, the bearing structure including at least one groove, operatively positioned in the bearing structure, for preventing debris from moving to the interface point between the bearing surfaces wherein the depth of the groove is selected so that the circumferential pressure in the bearing does not decrease the bearing load capacity and wherein at least one ridge is placed in at least one of the bearing grooves such that the height of the ridges for trapping the debris must be less than those of the bearing structure.
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