FR2461129B3 - - Google Patents

Info

Publication number
FR2461129B3
FR2461129B3 FR8015219A FR8015219A FR2461129B3 FR 2461129 B3 FR2461129 B3 FR 2461129B3 FR 8015219 A FR8015219 A FR 8015219A FR 8015219 A FR8015219 A FR 8015219A FR 2461129 B3 FR2461129 B3 FR 2461129B3
Authority
FR
France
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
FR8015219A
Other languages
French (fr)
Other versions
FR2461129A1 (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.)
Pierburg GmbH
Original Assignee
Pierburg 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 Pierburg GmbH filed Critical Pierburg GmbH
Publication of FR2461129A1 publication Critical patent/FR2461129A1/en
Application granted granted Critical
Publication of FR2461129B3 publication Critical patent/FR2461129B3/fr
Granted 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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
    • F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
    • F04B39/042—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod sealing being provided on the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
    • F16J15/48—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings influenced by the pressure within the member to be sealed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Fluid Mechanics (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
FR8015219A 1979-07-12 1980-07-07 SEALING DEVICE FOR A VACUUM PISTON PUMP Granted FR2461129A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19797919989U DE7919989U1 (en) 1979-07-12 1979-07-12 PISTON PUMP, IN PARTICULAR PISTON VACUUM PUMP WITH A DEVICE FOR RADIAL SEALING OF THE PISTON

Publications (2)

Publication Number Publication Date
FR2461129A1 FR2461129A1 (en) 1981-01-30
FR2461129B3 true FR2461129B3 (en) 1982-04-16

Family

ID=6705679

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8015219A Granted FR2461129A1 (en) 1979-07-12 1980-07-07 SEALING DEVICE FOR A VACUUM PISTON PUMP

Country Status (5)

Country Link
DE (1) DE7919989U1 (en)
FR (1) FR2461129A1 (en)
GB (1) GB2054095A (en)
IT (1) IT1127048B (en)
SE (1) SE8004809L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3626157A1 (en) * 1986-08-01 1987-01-22 Wankel Felix SEALING PROCEDURE
CN101865127B (en) * 2010-06-22 2012-09-05 三一重工股份有限公司 Pumping device and piston of conveying cylinder thereof
JP5310666B2 (en) 2010-07-23 2013-10-09 マックス株式会社 Sealing structure of locking piston
CN104832424A (en) * 2014-12-19 2015-08-12 北汽福田汽车股份有限公司 Concrete piston, pumping device adopting same and pump truck

Also Published As

Publication number Publication date
IT8048678A0 (en) 1980-05-14
SE8004809L (en) 1981-01-13
IT1127048B (en) 1986-05-21
FR2461129A1 (en) 1981-01-30
GB2054095A (en) 1981-02-11
DE7919989U1 (en) 1979-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse