CA2084842C - Process and apparatus for generating a vacuum - Google Patents

Process and apparatus for generating a vacuum Download PDF

Info

Publication number
CA2084842C
CA2084842C CA002084842A CA2084842A CA2084842C CA 2084842 C CA2084842 C CA 2084842C CA 002084842 A CA002084842 A CA 002084842A CA 2084842 A CA2084842 A CA 2084842A CA 2084842 C CA2084842 C CA 2084842C
Authority
CA
Canada
Prior art keywords
vapour
wax
gas
zone
process according
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.)
Expired - Fee Related
Application number
CA002084842A
Other languages
English (en)
French (fr)
Other versions
CA2084842A1 (en
Inventor
Joachim Ansorge
Lip P. Kueh
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.)
Shell Canada Ltd
Original Assignee
Shell Canada Ltd
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 Shell Canada Ltd filed Critical Shell Canada Ltd
Publication of CA2084842A1 publication Critical patent/CA2084842A1/en
Application granted granted Critical
Publication of CA2084842C publication Critical patent/CA2084842C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • F04F5/20—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
    • 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
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/36—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid characterised by using specific inducing fluid
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)
CA002084842A 1991-12-10 1992-12-08 Process and apparatus for generating a vacuum Expired - Fee Related CA2084842C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP91203248.9 1991-12-10
EP91203248 1991-12-10

Publications (2)

Publication Number Publication Date
CA2084842A1 CA2084842A1 (en) 1993-06-11
CA2084842C true CA2084842C (en) 2004-02-03

Family

ID=8208064

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002084842A Expired - Fee Related CA2084842C (en) 1991-12-10 1992-12-08 Process and apparatus for generating a vacuum

Country Status (7)

Country Link
EP (1) EP0563465B1 (enrdf_load_stackoverflow)
JP (1) JP3529104B2 (enrdf_load_stackoverflow)
AU (1) AU650183B2 (enrdf_load_stackoverflow)
CA (1) CA2084842C (enrdf_load_stackoverflow)
DE (1) DE69223038T2 (enrdf_load_stackoverflow)
MY (1) MY111962A (enrdf_load_stackoverflow)
ZA (1) ZA929501B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2750248B1 (fr) * 1996-06-19 1998-08-28 Org Europeene De Rech Dispositif de pompage par getter non evaporable et procede de mise en oeuvre de ce getter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338583A (en) 1941-09-17 1944-01-04 Distillation Products Inc High vacuum
US2358067A (en) 1943-02-24 1944-09-12 Distillation Products Inc High vacuum process and apparatus
GB856849A (en) * 1957-11-02 1960-12-21 Hoechst Ag Improvements in and relating to operating fluids for use in vacuum pumps
GB1435942A (en) * 1973-01-16 1976-05-19 Boc International Ltd Vapour sources for vapour vacuum pumps
US4198190A (en) * 1978-08-21 1980-04-15 Dow Corning Corporation Vapor booster fluids
DE4037935A1 (de) * 1990-11-23 1992-05-27 Mannesmann Ag Strahlverdichter fuer gasfoermige medien

Also Published As

Publication number Publication date
CA2084842A1 (en) 1993-06-11
DE69223038D1 (de) 1997-12-11
AU650183B2 (en) 1994-06-09
ZA929501B (en) 1993-06-16
MY111962A (en) 2001-03-31
EP0563465A3 (enrdf_load_stackoverflow) 1994-01-05
JPH05280499A (ja) 1993-10-26
EP0563465B1 (en) 1997-11-05
JP3529104B2 (ja) 2004-05-24
AU2996792A (en) 1993-06-17
DE69223038T2 (de) 1998-03-26
EP0563465A2 (en) 1993-10-06

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