FI772825A - SCREWDRIVER - Google Patents

SCREWDRIVER

Info

Publication number
FI772825A
FI772825A FI772825A FI772825A FI772825A FI 772825 A FI772825 A FI 772825A FI 772825 A FI772825 A FI 772825A FI 772825 A FI772825 A FI 772825A FI 772825 A FI772825 A FI 772825A
Authority
FI
Finland
Prior art keywords
screwdriver
Prior art date
Application number
FI772825A
Other languages
Finnish (fi)
Other versions
FI62714C (en
FI62714B (en
Inventor
Dieter Mosemann
B Bernhard Seiffert
Original Assignee
Kuehlaut Betr Der Vvb Schiffba
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 Kuehlaut Betr Der Vvb Schiffba filed Critical Kuehlaut Betr Der Vvb Schiffba
Publication of FI772825A publication Critical patent/FI772825A/en
Application granted granted Critical
Publication of FI62714B publication Critical patent/FI62714B/en
Publication of FI62714C publication Critical patent/FI62714C/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
    • F04C18/082—Details specially related to intermeshing engagement type pumps
    • F04C18/084—Toothed wheels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
FI772825A 1976-09-27 1977-09-26 ROTOR PAR FOER EN SKRUVROTORMASKIN FI62714C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD19499976A DD128035B1 (en) 1976-09-27 1976-09-27 SCREW ROTORS
DD19499976 1976-09-27

Publications (3)

Publication Number Publication Date
FI772825A true FI772825A (en) 1978-03-28
FI62714B FI62714B (en) 1982-10-29
FI62714C FI62714C (en) 1983-02-10

Family

ID=5505839

Family Applications (1)

Application Number Title Priority Date Filing Date
FI772825A FI62714C (en) 1976-09-27 1977-09-26 ROTOR PAR FOER EN SKRUVROTORMASKIN

Country Status (13)

Country Link
BG (1) BG32501A1 (en)
CS (1) CS194477B1 (en)
DD (1) DD128035B1 (en)
DE (1) DE2735670A1 (en)
FI (1) FI62714C (en)
FR (1) FR2365711A1 (en)
GB (1) GB1544595A (en)
HU (1) HU177663B (en)
NL (1) NL7710476A (en)
PL (1) PL112155B2 (en)
SE (1) SE7710737L (en)
SU (1) SU1441077A1 (en)
YU (1) YU228277A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN157732B (en) * 1981-02-06 1986-05-24 Svenska Rotor Maskiner Ab
US4412796A (en) * 1981-08-25 1983-11-01 Ingersoll-Rand Company Helical screw rotor profiles
DE8434596U1 (en) * 1983-12-14 1985-02-21 Boge Kompressoren Otto Boge Gmbh & Co Kg, 4800 Bielefeld TURNING PISTON COMPRESSORS
US4890992A (en) * 1988-04-22 1990-01-02 Fu Sheng Industry Co., Ltd. Screw-rotor machine with an ellipse as a part of its male rotor
CN104564673A (en) * 2013-10-16 2015-04-29 济南海屹流体技术有限公司 End-surface tooth profiles for steam screw compressor
CN108071586A (en) * 2016-11-14 2018-05-25 上海汉钟精机股份有限公司 Flute profile rotor set
CN108757439B (en) * 2018-07-25 2023-08-18 中国石油大学(华东) Double-head full-smooth screw rotor of double-screw liquid pump and design method thereof
CN108757438B (en) * 2018-07-25 2023-08-18 中国石油大学(华东) Full-smooth screw rotor with small enclosed volume and design method thereof
CN111237187B (en) * 2020-01-17 2022-03-15 宿迁学院 Flexible construction method for convex rotor profile

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792576A (en) * 1972-05-24 1973-03-30 Gardner Denver Co SCREW COMPRESSOR HELICOIDAL ROTOR
GB1503488A (en) * 1974-03-06 1978-03-08 Svenska Rotor Maskiner Ab Meshing screw rotor fluid maching

Also Published As

Publication number Publication date
HU177663B (en) 1981-11-28
NL7710476A (en) 1978-03-29
FR2365711A1 (en) 1978-04-21
FI62714C (en) 1983-02-10
PL112155B2 (en) 1980-09-30
GB1544595A (en) 1979-04-19
DD128035B1 (en) 1979-12-27
YU228277A (en) 1982-10-31
DE2735670A1 (en) 1978-03-30
SE7710737L (en) 1978-03-28
FR2365711B1 (en) 1983-08-26
CS194477B1 (en) 1979-12-31
DD128035A1 (en) 1977-10-26
FI62714B (en) 1982-10-29
PL201046A1 (en) 1978-06-05
BG32501A1 (en) 1982-08-16
SU1441077A1 (en) 1988-11-30

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: VEB KUEHLAUTOMAT