FR501849A - Perfectionnements aux ventilateurs roots - Google Patents

Perfectionnements aux ventilateurs roots

Info

Publication number
FR501849A
FR501849A FR501849A FR501849DA FR501849A FR 501849 A FR501849 A FR 501849A FR 501849 A FR501849 A FR 501849A FR 501849D A FR501849D A FR 501849DA FR 501849 A FR501849 A FR 501849A
Authority
FR
France
Prior art keywords
refinements
roots fan
roots
fan
fan refinements
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
FR501849A
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR501849A publication Critical patent/FR501849A/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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR501849A 1919-01-18 1919-01-18 Perfectionnements aux ventilateurs roots Expired FR501849A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR501849T 1919-01-18

Publications (1)

Publication Number Publication Date
FR501849A true FR501849A (fr) 1920-04-27

Family

ID=8905971

Family Applications (1)

Application Number Title Priority Date Filing Date
FR501849A Expired FR501849A (fr) 1919-01-18 1919-01-18 Perfectionnements aux ventilateurs roots

Country Status (1)

Country Link
FR (1) FR501849A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108184329A (zh) * 2015-10-20 2018-06-19 蒂勒有限及两合公司 可枢转的区块锁

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108184329A (zh) * 2015-10-20 2018-06-19 蒂勒有限及两合公司 可枢转的区块锁
US10344824B2 (en) 2015-10-20 2019-07-09 Thiele Gmbh & Co. Kg Pivotable block lock

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