DE810419C - Rotary piston blower - Google Patents

Rotary piston blower

Info

Publication number
DE810419C
DE810419C DEp29870A DEP0029870A DE810419C DE 810419 C DE810419 C DE 810419C DE P0029870 A DEP0029870 A DE P0029870A DE 810419 C DE810419 C DE 810419C
Authority
DE
Germany
Prior art keywords
rotary piston
piston blower
blower
rotary
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.)
Expired
Application number
DEp29870A
Other languages
German (de)
Inventor
Otto Becker
Hermann Kottsieper
Original Assignee
Otto Becker
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 Otto Becker filed Critical Otto Becker
Priority to DEp29870A priority Critical patent/DE810419C/en
Application granted granted Critical
Publication of DE810419C publication Critical patent/DE810419C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08Rotary-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
    • F04C18/082Details specially related to intermeshing engagement type pumps
    • F04C18/084Toothed wheels
DEp29870A 1949-01-01 1949-01-01 Rotary piston blower Expired DE810419C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEp29870A DE810419C (en) 1949-01-01 1949-01-01 Rotary piston blower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEp29870A DE810419C (en) 1949-01-01 1949-01-01 Rotary piston blower

Publications (1)

Publication Number Publication Date
DE810419C true DE810419C (en) 1951-08-09

Family

ID=7371714

Family Applications (1)

Application Number Title Priority Date Filing Date
DEp29870A Expired DE810419C (en) 1949-01-01 1949-01-01 Rotary piston blower

Country Status (1)

Country Link
DE (1) DE810419C (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1052190B (en) * 1953-12-11 1959-03-05 Ernst Appbau G M B H Rotary lobe for rotary lobe pumps, blowers u. Like., Consists of a bent sheet metal forming the piston, which is welded to the rotary piston shaft, and a method for its production
DE1293382B (en) * 1960-12-27 1969-04-24 Polysius Gmbh Rotary piston for Roots blower
EP0791750A1 (en) * 1996-02-21 1997-08-27 Ebara Corporation Rotor for turbomachine and method of making the same
WO1999041503A1 (en) * 1998-02-13 1999-08-19 Ebara Corporation Vacuum pump rotor and method of manufacturing the same
EP2194276A2 (en) * 2008-12-04 2010-06-09 Pfeiffer Vacuum Gmbh Two-shaft vacuum pump
DE102010012759A1 (en) * 2010-03-25 2011-09-29 Pfeiffer Vacuum Gmbh Rotor for a vacuum pump

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1052190B (en) * 1953-12-11 1959-03-05 Ernst Appbau G M B H Rotary lobe for rotary lobe pumps, blowers u. Like., Consists of a bent sheet metal forming the piston, which is welded to the rotary piston shaft, and a method for its production
DE1293382B (en) * 1960-12-27 1969-04-24 Polysius Gmbh Rotary piston for Roots blower
EP0791750A1 (en) * 1996-02-21 1997-08-27 Ebara Corporation Rotor for turbomachine and method of making the same
US5895210A (en) * 1996-02-21 1999-04-20 Ebara Corporation Turbo machine rotor made of sheet metal
WO1999041503A1 (en) * 1998-02-13 1999-08-19 Ebara Corporation Vacuum pump rotor and method of manufacturing the same
US6164945A (en) * 1998-02-13 2000-12-26 Ebara Corporation Vacuum pump rotor and method of manufacturing the same
EP2194276A2 (en) * 2008-12-04 2010-06-09 Pfeiffer Vacuum Gmbh Two-shaft vacuum pump
EP2194276A3 (en) * 2008-12-04 2014-08-27 Pfeiffer Vacuum Gmbh Two-shaft vacuum pump
DE102010012759A1 (en) * 2010-03-25 2011-09-29 Pfeiffer Vacuum Gmbh Rotor for a vacuum pump
EP2375074A3 (en) * 2010-03-25 2014-11-12 Pfeiffer Vacuum GmbH Rotor for a vacuum pump
DE102010012759B4 (en) 2010-03-25 2018-06-21 Pfeiffer Vacuum Gmbh Rotor for a vacuum pump

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