Atomic irradiator having means for rotating samples for uniform exposure
阅读：675发布：2023-09-04
专利汇可以提供Atomic irradiator having means for rotating samples for uniform exposure专利检索，专利查询，专利分析的服务。并且A thick-walled housing of radioactive absorbing material has an enlarged cavity which contains a solid movable block. A radiation source compartment is centrally disposed within said housing and immediately adjacent said block. A radiation compartment is disposed within said block and can be moved into and out of alignment with the radioactive source. This compartment can also be moved into and out of alignment with an exterior access opening through the housing so that articles can be placed within the radiation compartment and subsequently moved to the interior of the housing and into alignment with the radiation source. The compartment has a movable turntable therein which permits the article to be uniformly exposed on all sides to the radiation source.，下面是Atomic irradiator having means for rotating samples for uniform exposure专利的具体信息内容。
1. An atomic irradiator comprising: a. a radiation absorbing housing, b. a radiation absorbing block within said housing, and mounted for rotary movement about a vertical axis, c. a radiation source compartment centrally disposed within said housing immediately adjacent and extending vertically along said movable radiation absorbing block, d. a radiation chamber within said movable block normally accessible from the exterior of said housing which can be moved into position adjacent said radiation source compartment, e. said radiation chamber having movable support means for exposing all sides of a sample placed therein to radiation, and f. said radiation absorbing block being generally cylindrical and being provided with integral radiation absorbing means for rotatably journaling said block within said radiation housing, said means comprising upper and lower protruberances on said radiation absorbing block providing substantially non-planar upper and lower surfaces thereon.
2. The combination as set forth in claim 1, wherein, said movable support means includes: a. turntable assembly disposed within said radiation chamber, and b. disengageable driving means extending through said housing and adapted to engage said turntable assembly when said radiation chamber faces said radiation source compartment.
3. The combination as set forth in claim 2, wherein: a. said disengageable driving means includes a spring-biased friction coupling between said housing and said rotatable block.
4. The combination as set forth in claim 2, wherein: a. said disengageable driving means includes a motor driven shaft which extends through said housing.
5. The combination as set forth in claim 2, wherein: a. said disengageable driving means includes a spring-biased member connected to said turntable at one end, and b. a rotatable motor driven shaft which engages the other end of said member.
6. The combination as set forth in claim 5, wherein: a. said turntable assembly is rotatably mounted on a ball bearing and has a depending shaft, b. said one end of said spring-biased member telescopically engages said depending shaft.
7. An atomic irradiator comprising: a. a radiation absorbing housing, b. a radiation absorbing block within said housing, and mounted for rotary movement about a vertical axis, c. a radiation source compartment containing an atomic radiation source centrally disposed within said housing immediately adjacent and extending vertically along said movable radiation absorbing block, d. a radiation chamber within said movable block which can be moved into position adjacent said radiation source compartment, e. an access opening extending through said housing to which said radiation chamber is rotated to permit samples to be placed in and removed from said radiation chamber, and f. said radiation absorbing block being generally cylindrical and being provided with integral radiation absorbing means for rotatably journaling said block within said radiation housing, said means comprising upper and lower protruberances on said radiation absorbing block providing substantially non-planar upper and lower suRfaces thereon.
8. The combination as set forth in claim 7, wherein: a. said radiation chamber has rotatable support means for exposing all sides of the sample disposed within said radiation chamber to the radiation source.
9. An atomic irradiator comprising: a. a radiation absorbing housing having an internal cavity symmetrical about a vertical axis and extending from adjacent an outer wall to a central interior point, b. said housing wall having an access passage which extends into said cavity, c. a radiation source compartment centrally disposed within said housing, immediately adjacent and extending vertically along said internal cavity, d. a generally cylindrical rotatable block of radiation absorbing material fitted within said cavity and having an axis of rotation coincident with said vertical axis, said rotatable block being provided with integral radiation absorbing means for rotatably journaling said block within said radiation housing, said means comprising upper and lower protruberances on said radiation absorbing block providing substantially non-planar upper and lower surfaces thereon, e. an open radiation chamber recess within the side wall of said rotatable block and being positionable to face said radiation source compartment when said rotatable block is rotated, and f. rotating sample support means within said radiation chamber for continuously presenting vertical surfaces of a sample contained therein to radiation when said radiation chamber faces said radiation source compartment.
10. The combination as set forth in claim 9, wherein: a. said sample support means includes a rotatable turntable which has disengageable driving means adapted to engage a drive shaft when said radiation chamber faces said radiation source compartment.
11. The combination as set forth in claim 10, wherein: a. said disengageable driving means includes a spring-biased sleeve member telescopically mounted at the bottom of said turntable, and b. said sleeve means has a lower chamfered surface which engages the top of said turntable drive shaft.
12. The combination as set forth in claim 9, wherein: a. said rotating sample support means includes a drive mechanism which moves with said rotatable block.
13. The combination as set forth in claim 9, wherein: a. said drive mechanism includes a pulley and belt drive system which is disposed within said rotatable block.
14. The combination as set forth in claim 9, wherein: a. said radiation absorbing housing has a vertical arcuate passage extending through to said internal cavity; and b. transmission drive shaft means extending through said arcuate passage and into said rotatable block to rotate said sample support means.
15. The combination as set forth in claim 9, wherein: a. said transmission drive shaft means includes a pulley and belt drive system which is disposed within said rotatable block.
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