FI54646B - SCREWDRIVER - Google Patents

SCREWDRIVER

Info

Publication number
FI54646B
FI54646B FI193771A FI193771A FI54646B FI 54646 B FI54646 B FI 54646B FI 193771 A FI193771 A FI 193771A FI 193771 A FI193771 A FI 193771A FI 54646 B FI54646 B FI 54646B
Authority
FI
Finland
Prior art keywords
screwdriver
Prior art date
Application number
FI193771A
Other languages
Finnish (fi)
Other versions
FI54646C (en
Inventor
Walther Persson
Lauritz Benedictus Schibbye
Original Assignee
Svenska Rotor Maskiner Ab
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 Svenska Rotor Maskiner Ab filed Critical Svenska Rotor Maskiner Ab
Publication of FI54646B publication Critical patent/FI54646B/en
Application granted granted Critical
Publication of FI54646C publication Critical patent/FI54646C/en

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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
FI193771A 1970-07-09 1971-07-08 SCREWDRIVER FI54646C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3340570A GB1361604A (en) 1970-07-09 1970-07-09 Meshing screw rotor positive-displacement machines

Publications (2)

Publication Number Publication Date
FI54646B true FI54646B (en) 1978-09-29
FI54646C FI54646C (en) 1979-01-10

Family

ID=10352516

Family Applications (1)

Application Number Title Priority Date Filing Date
FI193771A FI54646C (en) 1970-07-09 1971-07-08 SCREWDRIVER

Country Status (8)

Country Link
BE (1) BE769633A (en)
CA (1) CA940501A (en)
CS (1) CS157718B2 (en)
DE (1) DE2134241C3 (en)
FI (1) FI54646C (en)
FR (1) FR2100405A5 (en)
GB (1) GB1361604A (en)
SE (1) SE374946B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1434927A (en) * 1972-04-27 1976-05-12 Svenska Rotor Maskiner Ab Refrigeration plants
SE455117B (en) * 1986-08-20 1988-06-20 Svenska Rotor Maskiner Ab SCREW COMPRESSOR
JP4702639B2 (en) * 2005-10-31 2011-06-15 株式会社前川製作所 Liquid jet screw compressor
JP5197141B2 (en) * 2008-05-12 2013-05-15 株式会社神戸製鋼所 Two-stage screw compressor and refrigeration system
JP2012122450A (en) * 2010-12-10 2012-06-28 Kobe Steel Ltd Screw compressor
GB2500603A (en) * 2012-03-26 2013-10-02 Edwards Ltd Vacuum pump stators and vacuum pumps

Also Published As

Publication number Publication date
CS157718B2 (en) 1974-09-16
CA940501A (en) 1974-01-22
DE2134241A1 (en) 1972-01-20
FR2100405A5 (en) 1972-03-17
BE769633A (en) 1971-11-16
DE2134241C3 (en) 1980-03-06
GB1361604A (en) 1974-07-30
DE2134241B2 (en) 1979-06-21
FI54646C (en) 1979-01-10
SE374946B (en) 1975-03-24

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