FR1236343A - Rotary-piston vacuum pump whose piston, sealed by oil, is eccentrically arranged on an axis - Google Patents

Rotary-piston vacuum pump whose piston, sealed by oil, is eccentrically arranged on an axis

Info

Publication number
FR1236343A
FR1236343A FR805691A FR805691A FR1236343A FR 1236343 A FR1236343 A FR 1236343A FR 805691 A FR805691 A FR 805691A FR 805691 A FR805691 A FR 805691A FR 1236343 A FR1236343 A FR 1236343A
Authority
FR
France
Prior art keywords
piston
sealed
rotary
oil
axis
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
FR805691A
Other languages
French (fr)
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.)
WC Heraus GmbH and Co KG
Original Assignee
WC Heraus GmbH and Co KG
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 WC Heraus GmbH and Co KG filed Critical WC Heraus GmbH and Co KG
Application granted granted Critical
Publication of FR1236343A publication Critical patent/FR1236343A/en
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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR805691A 1958-09-24 1959-09-22 Rotary-piston vacuum pump whose piston, sealed by oil, is eccentrically arranged on an axis Expired FR1236343A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1236343X 1958-09-24

Publications (1)

Publication Number Publication Date
FR1236343A true FR1236343A (en) 1960-07-15

Family

ID=7735575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR805691A Expired FR1236343A (en) 1958-09-24 1959-09-22 Rotary-piston vacuum pump whose piston, sealed by oil, is eccentrically arranged on an axis

Country Status (1)

Country Link
FR (1) FR1236343A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3173606A (en) * 1963-04-03 1965-03-16 New York Air Brake Co Pump
US3438570A (en) * 1966-08-20 1969-04-15 Leybold Heraeus Gmbh & Co Kg Two stage vacuum pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3173606A (en) * 1963-04-03 1965-03-16 New York Air Brake Co Pump
US3438570A (en) * 1966-08-20 1969-04-15 Leybold Heraeus Gmbh & Co Kg Two stage vacuum pump

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