DE228933C - - Google Patents

Info

Publication number
DE228933C
DE228933C DENDAT228933D DE228933DA DE228933C DE 228933 C DE228933 C DE 228933C DE NDAT228933 D DENDAT228933 D DE NDAT228933D DE 228933D A DE228933D A DE 228933DA DE 228933 C DE228933 C DE 228933C
Authority
DE
Germany
Prior art keywords
piston
pressure
annular space
space
pressure vessel
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.)
Active
Application number
DENDAT228933D
Other languages
German (de)
English (en)
Publication of DE228933C publication Critical patent/DE228933C/de
Active 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
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
    • F04B37/16—Means for nullifying unswept space

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
DENDAT228933D Active DE228933C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE228933C true DE228933C (enrdf_load_html_response)

Family

ID=489288

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT228933D Active DE228933C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE228933C (enrdf_load_html_response)

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