DE166453C - - Google Patents

Info

Publication number
DE166453C
DE166453C DENDAT166453D DE166453DA DE166453C DE 166453 C DE166453 C DE 166453C DE NDAT166453 D DENDAT166453 D DE NDAT166453D DE 166453D A DE166453D A DE 166453DA DE 166453 C DE166453 C DE 166453C
Authority
DE
Germany
Prior art keywords
recess
piston rod
channels
lower edge
tube
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
DENDAT166453D
Other languages
German (de)
English (en)
Publication of DE166453C publication Critical patent/DE166453C/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)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
DENDAT166453D Active DE166453C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE166453C true DE166453C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=431846

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT166453D Active DE166453C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE166453C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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