US4599516A
Expired / Lapsed
US
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Specimens rotating device
Assignee: Hitachi Ltd
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Filing: 1983-03-04
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Granted: 1986-07-08
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Expires: 2003-03-04
Abstract
Abstract A specimens rotating device including a cooling source located in the central portion of a rotary plate, and a plurality of specimens arranged in the peripheral portion of the rotary plate in a manner to surround the cooling source. A plurality of heat pipes are arranged between the cooling source and the specimens so that each heat pipe is secured at one end to the cooling source and at the other end to one of the specimens. Each heat pipe has a working fluid sealed therein and its one end is exposed in a cooling fluid in a channel in the cooling source. Upon rotation of the rotary plate, the specimens are rotated along with the rotary plate, and the working fluid in the heat pipes is shifted toward the specimens. The working fluid absorbs heat from the specimens and evaporates into vapor which quickly returns to the cooling source due to the difference in vapor pressure to condense into condensate by releasing the latent heat of evaporation into the cooling source which constantly receives a fresh supply of cooling fluid, to enable the heat from the specimens to be effectively released to outside.
Inventors
- 👤 Shunroku Taya
- 👤 Takeshi Koike
- 👤 Mitsuo Komatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:24
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0402; H01; H01J; H01J37/00; H01J37/30; H01J37/317; H01J37/3171
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
151 words
A device for rotating a specimen, comprising: a cooling source comprising a first cooling fluid; means for rotating a specimen around the cooling source; and means for thermally connecting the specimen to the cooling source, the connecting means including a second working fluid which rotates around the cooling source together with the specimen so that centrifugal force is imparted to the working fluid, to thereby move the same toward the specimen in a direction substantially perpendicular to a rotating axis of the specimen, the specimen being cooled through heat transfer from the specimen to the cooling source in a direction opposite to said substantially perpendicular direction, based on evaporation of the working fluid moved toward the specimen and condensation of the evaporated working fluid moved toward the cooling source due to a difference in vapor pressure of the working fluid said means for thermally connecting the specimen to the cooling source.
Claim 2
Independent Claim
151 words
A device for rotating a specimen, comprising: a cooling source comprising a first cooling fluid; means for rotating a specimen around the cooling source; and means for thermally connecting the specimen to the cooling source, the connecting means including a second working fluid which rotates around the cooling source together with the specimen so that centrifugal force is imparted to the working fluid, to thereby move the same toward the specimen in a direction substantially perpendicular to a rotating axis of the specimen, the specimen being cooled through heat transfer from the specimen to the cooling source in a direction opposite to said substantially perpendicular direction, based on evaporation of the working fluid moved toward the specimen and condensation of the evaporated working fluid moved toward the cooling source due to a difference in vapor pressure of the working fluid said means for thermally connecting the specimen to the cooling source.
Claim 3
Independent Claim
175 words
A device for rotating specimens, comprising: a cooling source comprising a first cooling fluid; means for rotating specimens around the cooling source, the specimens being arranged around the cooling source; and means for thermally connecting the specimens to the cooling source, the connecting means including heat pipes extending from the cooling source to the specimens in a direction substantially perpendicular to a rotating axis of the specimens, each of the heat pipes including a second working fluid therein, the heat pipes being rotatable around the cooling source together with the specimens so that centrifugal force is imparted to the working fluids to thereby move the same toward the specimens in said substantially perpendicular direction, the specimens being cooled through heat transfer from the speciments to the cooling source in a direction opposite to said substantially perpendicular direction, based on evaporation of the working fluids moved toward the specimens and condensation of the evaporated working fluid moved toward the cooling source due to a difference in vapor pressure of the working fluids in said heat pipes.
Claim 4
Independent Claim
175 words
A device for rotating specimens, comprising: a cooling source comprising a first cooling fluid; means for rotating specimens around the cooling source, the specimens being arranged around the cooling source; and means for thermally connecting the specimens to the cooling source, the connecting means including heat pipes extending from the cooling source to the specimens in a direction substantially perpendicular to a rotating axis of the specimens, each of the heat pipes including a second working fluid therein, the heat pipes being rotatable around the cooling source together with the specimens so that centrifugal force is imparted to the working fluids to thereby move the same toward the specimens in said substantially perpendicular direction, the specimens being cooled through heat transfer from the speciments to the cooling source in a direction opposite to said substantially perpendicular direction, based on evaporation of the working fluids moved toward the specimens and condensation of the evaporated working fluid moved toward the cooling source due to a difference in vapor pressure of the working fluids in said heat pipes.
Claim 5
Dependent Claim
16 words
A device for rotating specimens according to claim 2, wherein the second working fluid is water.
Claim 6
Dependent Claim
41 words
A device for rotating specimens according to claim 2, wherein the cooling source is provided with a channel for said first cooling fluid to flow therethrough, and means are provided for causing the said first fluid to flow through the channel.
Claim 7
Dependent Claim
40 words
A device for rotating specimens according to claim 4, wherein the heat pipes are connected to the cooling source in such a manner that each of the heat pipes is exposed to the first cooling fluid flowing through the channel.
Claim 8
Dependent Claim
23 words
A device for rotating specimens according to claim 5, wherein the second working fluid is water and the first cooling fluid is water.
Claim 9
Independent Claim
190 words
A device for rotating specimens comprising a cooling source comprising a first cooling fluid, a rotary member defining a hollow doughnut shaped interior space therein, the rotary member being thermally connected to the cooling source, and means for rotating both the rotary member and the cooling source together about a common axis, the rotary member supporting the specimens on a peripheral portion thereof, the doughnut shaped interior space having a second working fluid therein, the working fluid being rotatable around the cooling source so that centrifugal force is imparted to the working fluid to thereby move the same toward the peripheral portion of the rotary member in a direction substantially perpendicular to the rotating axis of the rotating member, the specimens being cooled through heat transfer from the specimens to the cooling source in a direction opposite to said substantially perpendicular direction based on evaporation of the working fluid moved toward the peripheral portion of the rotary member and condensation of the evaporated working fluid moved toward the cooling source due to a difference in vapor pressure of the working fluid in the doughnut shaped interior of the rotary member.
Claim 10
Independent Claim
190 words
A device for rotating specimens comprising a cooling source comprising a first cooling fluid, a rotary member defining a hollow doughnut shaped interior space therein, the rotary member being thermally connected to the cooling source, and means for rotating both the rotary member and the cooling source together about a common axis, the rotary member supporting the specimens on a peripheral portion thereof, the doughnut shaped interior space having a second working fluid therein, the working fluid being rotatable around the cooling source so that centrifugal force is imparted to the working fluid to thereby move the same toward the peripheral portion of the rotary member in a direction substantially perpendicular to the rotating axis of the rotating member, the specimens being cooled through heat transfer from the specimens to the cooling source in a direction opposite to said substantially perpendicular direction based on evaporation of the working fluid moved toward the peripheral portion of the rotary member and condensation of the evaporated working fluid moved toward the cooling source due to a difference in vapor pressure of the working fluid in the doughnut shaped interior of the rotary member.
Claim 11
Dependent Claim
16 words
A device for rotating specimens according to claim 7, wherein the second working fluid is water.
Claim 12
Dependent Claim
41 words
A device for rotating specimens according to claim 8, wherein the cooling source is provided with a channel for said first cooling fluid to flow therethrough, and means are provided for causing said first cooling fluid to flow through the channel.
Claim 13
Dependent Claim
16 words
A device for rotating specimens according to claim 9, wherein the first cooling fluid is water.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-07-07 | 1990-01-06 | 1990-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-07 | 1994-01-06 | 1994-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-07 | 1998-01-06 | 1998-07-08 | $7700.00 | Window Closed / Lapsed |