JPH03108899U - - Google Patents
Info
- Publication number
- JPH03108899U JPH03108899U JP1990017258U JP1725890U JPH03108899U JP H03108899 U JPH03108899 U JP H03108899U JP 1990017258 U JP1990017258 U JP 1990017258U JP 1725890 U JP1725890 U JP 1725890U JP H03108899 U JPH03108899 U JP H03108899U
- Authority
- JP
- Japan
- Prior art keywords
- rotor shaft
- rotor
- vacuum pump
- bearing
- rotatably supports
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0442—Active magnetic bearings with devices affected by abnormal, undesired or non-standard conditions such as shock-load, power outage, start-up or touchdown
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
- F16C37/005—Cooling of bearings of magnetic bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/44—Centrifugal pumps
- F16C2360/45—Turbo-molecular pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C39/00—Relieving load on bearings
- F16C39/02—Relieving load on bearings using mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990017258U JP2525848Y2 (ja) | 1990-02-22 | 1990-02-22 | 真空ポンプ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990017258U JP2525848Y2 (ja) | 1990-02-22 | 1990-02-22 | 真空ポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03108899U true JPH03108899U (US07709020-20100504-C00032.png) | 1991-11-08 |
JP2525848Y2 JP2525848Y2 (ja) | 1997-02-12 |
Family
ID=31520487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990017258U Expired - Fee Related JP2525848Y2 (ja) | 1990-02-22 | 1990-02-22 | 真空ポンプ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2525848Y2 (US07709020-20100504-C00032.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100726705B1 (ko) * | 2006-02-01 | 2007-06-13 | 임재엽 | 유동형 보석 반지 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61132797A (ja) * | 1984-11-30 | 1986-06-20 | Shimadzu Corp | タ−ボ分子ポンプの軸受装置 |
JPS6370699A (ja) * | 1986-09-12 | 1988-03-30 | Nec Corp | 水中発音器 |
JPS63129191A (ja) * | 1986-11-17 | 1988-06-01 | Seiko Seiki Co Ltd | タ−ボ分子ポンプ |
JPS63239397A (ja) * | 1987-03-25 | 1988-10-05 | Shimadzu Corp | タ−ボ分子ポンプの磁気軸受装置 |
-
1990
- 1990-02-22 JP JP1990017258U patent/JP2525848Y2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61132797A (ja) * | 1984-11-30 | 1986-06-20 | Shimadzu Corp | タ−ボ分子ポンプの軸受装置 |
JPS6370699A (ja) * | 1986-09-12 | 1988-03-30 | Nec Corp | 水中発音器 |
JPS63129191A (ja) * | 1986-11-17 | 1988-06-01 | Seiko Seiki Co Ltd | タ−ボ分子ポンプ |
JPS63239397A (ja) * | 1987-03-25 | 1988-10-05 | Shimadzu Corp | タ−ボ分子ポンプの磁気軸受装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100726705B1 (ko) * | 2006-02-01 | 2007-06-13 | 임재엽 | 유동형 보석 반지 |
Also Published As
Publication number | Publication date |
---|---|
JP2525848Y2 (ja) | 1997-02-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |