DE2015193A1 - Maintenance free pump - Google Patents

Maintenance free pump

Info

Publication number
DE2015193A1
DE2015193A1 DE19702015193 DE2015193A DE2015193A1 DE 2015193 A1 DE2015193 A1 DE 2015193A1 DE 19702015193 DE19702015193 DE 19702015193 DE 2015193 A DE2015193 A DE 2015193A DE 2015193 A1 DE2015193 A1 DE 2015193A1
Authority
DE
Germany
Prior art keywords
polyamide
additions
maintenance
maintenance free
free pump
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.)
Pending
Application number
DE19702015193
Other languages
German (de)
Inventor
Fritz χ 7400 Altenburg Keller
Original Assignee
VEB Kombinat Medizin- und Labortechnik, χ 7035 Leipzig
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 VEB Kombinat Medizin- und Labortechnik, χ 7035 Leipzig filed Critical VEB Kombinat Medizin- und Labortechnik, χ 7035 Leipzig
Priority to DE19702015193 priority Critical patent/DE2015193A1/en
Publication of DE2015193A1 publication Critical patent/DE2015193A1/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)

Abstract

Maintenance-free multicell suction and pressure pump for use in medicine and in regulators has a rotary piston of sintered metal with additions of Pb and graphite or of polyamide, and of MoS2 for enhancing the sliding properties. The piston contains an odd number of inclined slots in which are working sliders of synthetic or electro carbon, hand press material or polyamide.

Description

Bezugszeichen:Reference number:

1 Kreiskolben 2 Schlitz 3 Arbeitsschieber 4 Gehäuse L e e r s e i t e1 rotary piston 2 slot 3 working slide 4 housing L. e e r e i t e

Claims (1)

Patentanspruch:Claim: Wartungsfreie Vielzellensaug- und -druckpumpe, d a d u r c h g e k e n n z e i c h n e t, daß sich in einem Pumpengehäuse (4) ein Kreiskolben (1) aus Sintermetall mit Zusätzen von Blei und Graphit oder aus Polyamid mit gleitfördernden Zusätzen, beispielsweise iiolybdandisulfad, de in einer vorzugsweise ungeraden Anzahl von schräg stellenden Schlitzen (2) Arbeitsschieber (3) aus Eunstsuoffkohle, Elektrokohle, Hartpreßstoff oder Polyamid enthält, bewegt.Maintenance-free multi-cell suction and pressure pump, d u r c h g e k It is noted that a rotary piston (1) is located in a pump housing (4) Sintered metal with additions of lead and graphite or made of polyamide with slide-enhancing properties Additions, for example iiolybdandisulfad, de in a preferably odd number of inclined slots (2) working slide (3) made of Eunstsuoffkohle, Elektrokohle, Contains hard pressed material or polyamide, moves.
DE19702015193 1970-03-28 1970-03-28 Maintenance free pump Pending DE2015193A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19702015193 DE2015193A1 (en) 1970-03-28 1970-03-28 Maintenance free pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702015193 DE2015193A1 (en) 1970-03-28 1970-03-28 Maintenance free pump

Publications (1)

Publication Number Publication Date
DE2015193A1 true DE2015193A1 (en) 1971-10-28

Family

ID=5766691

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702015193 Pending DE2015193A1 (en) 1970-03-28 1970-03-28 Maintenance free pump

Country Status (1)

Country Link
DE (1) DE2015193A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2363010A1 (en) * 1976-08-24 1978-03-24 Bosch Gmbh Robert FUEL ELECTRIC PUMP
DE2737659A1 (en) * 1977-08-20 1979-03-01 Volkswagenwerk Ag Rotary vane vacuum pump for vehicle air brakes - has case hardened rotor shaft supported directly in casing bearing
DE2760391C2 (en) * 1976-07-10 1991-12-05 Volkswagen Ag

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2760391C2 (en) * 1976-07-10 1991-12-05 Volkswagen Ag
FR2363010A1 (en) * 1976-08-24 1978-03-24 Bosch Gmbh Robert FUEL ELECTRIC PUMP
DE2737659A1 (en) * 1977-08-20 1979-03-01 Volkswagenwerk Ag Rotary vane vacuum pump for vehicle air brakes - has case hardened rotor shaft supported directly in casing bearing

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