FR834117A - Dispositif permettant de créer une dépression avec des pompes servant normalement à fournir une pression, ou inversement - Google Patents

Dispositif permettant de créer une dépression avec des pompes servant normalement à fournir une pression, ou inversement

Info

Publication number
FR834117A
FR834117A FR834117DA FR834117A FR 834117 A FR834117 A FR 834117A FR 834117D A FR834117D A FR 834117DA FR 834117 A FR834117 A FR 834117A
Authority
FR
France
Prior art keywords
creating
vacuum
vice versa
normally used
provide pressure
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
Application number
Other languages
English (en)
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of FR834117A publication Critical patent/FR834117A/fr
Expired 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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR834117D 1937-02-23 1938-02-22 Dispositif permettant de créer une dépression avec des pompes servant normalement à fournir une pression, ou inversement Expired FR834117A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE834117X 1937-02-23

Publications (1)

Publication Number Publication Date
FR834117A true FR834117A (fr) 1938-11-14

Family

ID=6760580

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834117D Expired FR834117A (fr) 1937-02-23 1938-02-22 Dispositif permettant de créer une dépression avec des pompes servant normalement à fournir une pression, ou inversement

Country Status (1)

Country Link
FR (1) FR834117A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412790A (en) * 1978-11-03 1983-11-01 Ballast-Nedam Groep N.V. Balanced supplemental water bleed for suction dredgers
US4725204A (en) * 1986-11-05 1988-02-16 Pennwalt Corporation Vacuum manifold pumping system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412790A (en) * 1978-11-03 1983-11-01 Ballast-Nedam Groep N.V. Balanced supplemental water bleed for suction dredgers
US4725204A (en) * 1986-11-05 1988-02-16 Pennwalt Corporation Vacuum manifold pumping system

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