JPS54116716A - Diffusion pump for leakage detector - Google Patents

Diffusion pump for leakage detector

Info

Publication number
JPS54116716A
JPS54116716A JP309979A JP309979A JPS54116716A JP S54116716 A JPS54116716 A JP S54116716A JP 309979 A JP309979 A JP 309979A JP 309979 A JP309979 A JP 309979A JP S54116716 A JPS54116716 A JP S54116716A
Authority
JP
Japan
Prior art keywords
diffusion pump
leakage detector
leakage
detector
diffusion
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.)
Pending
Application number
JP309979A
Other languages
English (en)
Japanese (ja)
Inventor
Aabuitsudo Randofuoozu Aasaa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Varian Associates Inc filed Critical Varian Associates Inc
Publication of JPS54116716A publication Critical patent/JPS54116716A/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Examining Or Testing Airtightness (AREA)
JP309979A 1978-01-17 1979-01-17 Diffusion pump for leakage detector Pending JPS54116716A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/870,234 US4373868A (en) 1976-07-06 1978-01-17 Diffusion pump for leak detector

Publications (1)

Publication Number Publication Date
JPS54116716A true JPS54116716A (en) 1979-09-11

Family

ID=25355001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP309979A Pending JPS54116716A (en) 1978-01-17 1979-01-17 Diffusion pump for leakage detector

Country Status (7)

Country Link
US (1) US4373868A (US20090163788A1-20090625-C00002.png)
JP (1) JPS54116716A (US20090163788A1-20090625-C00002.png)
CH (1) CH641530A5 (US20090163788A1-20090625-C00002.png)
DE (1) DE2900963A1 (US20090163788A1-20090625-C00002.png)
FR (1) FR2414650A1 (US20090163788A1-20090625-C00002.png)
GB (2) GB2012365B (US20090163788A1-20090625-C00002.png)
IT (1) IT1110935B (US20090163788A1-20090625-C00002.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640614A (en) * 1979-09-13 1981-04-16 Nippon Chemiphar Co Ltd Novel type remedy for peptic ulcer

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4820548A (en) * 1984-06-07 1989-04-11 Enthone, Incorporated Three step process for treating plastics with alkaline permanganate solutions
US4845360A (en) * 1987-12-10 1989-07-04 Varian Associates, Inc. Counterflow leak detector with high and low sensitivity operating modes
US5137429A (en) * 1991-04-15 1992-08-11 Spectrameasure Inc. Diffusion pump
GB9603434D0 (en) * 1996-02-19 1996-04-17 Boc Group Plc Improvements in diffusion pumps
RU2106541C1 (ru) * 1997-02-10 1998-03-10 Владимир Омарович Токарев Вакуумный пароструйный насос
CN109441846B (zh) * 2018-10-23 2020-09-08 武汉船用机械有限责任公司 一种潜液泵密封监测装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4520344Y1 (US20090163788A1-20090625-C00002.png) * 1967-01-16 1970-08-15
JPS50159782A (US20090163788A1-20090625-C00002.png) * 1974-06-13 1975-12-24

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1791105A (en) * 1925-08-10 1931-02-03 Bbc Brown Boveri & Cie Multistage high-vacuum diffusion pump
US2112037A (en) * 1937-03-27 1938-03-22 Rca Corp Vacuum diffusion pump
US2150676A (en) * 1937-05-11 1939-03-14 Distillation Products Inc High vacuum
US2397591A (en) * 1943-05-29 1946-04-02 Eitel Mccullough Inc Vacuum pump
US2437849A (en) * 1944-11-08 1948-03-16 Nasa Pump
US2438387A (en) * 1945-09-18 1948-03-23 Nasa Pump
US2447636A (en) * 1946-07-09 1948-08-24 Westinghouse Electric Corp Pump
GB686659A (en) * 1951-11-17 1953-01-28 Nat Res Corp Improvements in or relating to high-vacuum oil diffusion pumps
US2709034A (en) * 1953-03-02 1955-05-24 Nat Res Corp High-vacuum device
FR1161993A (fr) * 1955-12-08 1958-09-08 Edwards High Vacuum Ltd Pompes à vide à vapeur
GB809379A (en) * 1956-08-02 1959-02-25 Cons Electrodynamics Corp Improvements in or relating to vapour-operated vacuum pumps
FR1382330A (fr) * 1963-11-08 1964-12-18 Cie Ind Francaise Tubes Elect Perfectionnement aux pompes à diffusion à vapeur d'huile
FR1471414A (fr) * 1966-03-10 1967-03-03 Nat Res Corp Pompe à diffusion
US3690151A (en) * 1968-07-25 1972-09-12 Norton Co Leak detector
GB1313138A (en) * 1969-05-27 1973-04-11 Edwards High Vacuum Int Ltd Vapour vacuum pumps

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4520344Y1 (US20090163788A1-20090625-C00002.png) * 1967-01-16 1970-08-15
JPS50159782A (US20090163788A1-20090625-C00002.png) * 1974-06-13 1975-12-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640614A (en) * 1979-09-13 1981-04-16 Nippon Chemiphar Co Ltd Novel type remedy for peptic ulcer
JPS6312844B2 (US20090163788A1-20090625-C00002.png) * 1979-09-13 1988-03-23 Nippon Chemiphar Co

Also Published As

Publication number Publication date
GB2082255B (en) 1982-12-08
IT7919358A0 (it) 1979-01-17
US4373868A (en) 1983-02-15
GB2012365B (en) 1982-09-02
GB2012365A (en) 1979-07-25
FR2414650A1 (fr) 1979-08-10
FR2414650B1 (US20090163788A1-20090625-C00002.png) 1983-09-30
GB2082255A (en) 1982-03-03
CH641530A5 (de) 1984-02-29
DE2900963A1 (de) 1979-07-19
IT1110935B (it) 1986-01-13

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