IT947817B - ROTARY PISTON MACHINE - Google Patents

ROTARY PISTON MACHINE

Info

Publication number: IT947817B
Authority: IT; Italy
Prior art keywords: rotary piston; piston machine; machine; rotary; piston
Prior art date: 1971-02-24

Application number

IT20914/72A

Other languages

Italian (it)

Inventor

C Hubrich

C Winkelstrater

H Burgener

Original Assignee

Winkelstrater Gmbh Geb

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.)

1971-02-24

Filing date

1972-02-23

Publication date

1973-05-30

1972-02-23 Application filed by Winkelstrater Gmbh Geb filed Critical Winkelstrater Gmbh Geb

1973-05-30 Application granted granted Critical

1973-05-30 Publication of IT947817B publication Critical patent/IT947817B/en

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
- F04C18/126—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 radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Applications Or Details Of Rotary Compressors (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

IT20914/72A 1971-02-24 1972-02-23 ROTARY PISTON MACHINE IT947817B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712108714 DE2108714B2 (en)	1971-02-24	1971-02-24	PARALLEL AND EXTERNAL ROTARY PISTON MACHINE

Publications (1)

Publication Number	Publication Date
IT947817B true IT947817B (en)	1973-05-30

Family

ID=5799665

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT20914/72A IT947817B (en)	1971-02-24	1972-02-23	ROTARY PISTON MACHINE

Country Status (7)

Country	Link
US (1)	US3817667A (en)
AT (1)	AT314062B (en)
CH (1)	CH537526A (en)
DE (1)	DE2108714B2 (en)
FR (1)	FR2127729A5 (en)
GB (1)	GB1345107A (en)
IT (1)	IT947817B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4033708A (en) *	1974-08-28	1977-07-05	Calspan Corporation	Rotary compressor
IT1155626B (en) *	1982-02-23	1987-01-28	Fiat Auto Spa	ROOTS TYPE ROTARY VOLUMETRIC COMPRESSOR
US5039289A (en) *	1983-11-07	1991-08-13	Wankel Gmbh	Rotary piston blower having piston lobe portions shaped to avoid compression pockets
NL8503374A (en) *	1984-12-07	1986-07-01	Naaktgeboren Maschf Rotterdam	Material-handling pneumatic transporting device - has fluidising discharge bin having discharge and fluidising funnels to disintegrate material
DE3519170A1 (en) *	1985-05-29	1986-12-04	Wankel Gmbh	External-shaft rotary-piston blower
US4940394A (en) *	1988-10-18	1990-07-10	Baker Hughes, Inc.	Adjustable wearplates rotary pump
JP2946010B2 (en) *	1993-03-15	1999-09-06	小倉クラッチ株式会社	air pump
US6095781A (en) *	1997-09-11	2000-08-01	Viking Pump, Inc.	Timed element, high pressure, industrial rotary lobe pump
FR2859000B1 (en) *	2003-08-20	2005-09-30	Renault Sa	GEAR TOOTH AND EXTERNAL GEAR PUMP
DE102005017575A1 (en) *	2004-08-05	2006-03-16	Börger GmbH	Rotary pump with a pump housing and two double-winged rotary pistons
DE102006041633A1 (en) *	2006-09-05	2008-03-13	Herold & Co. Gmbh	pump
CN103486041B (en) *	2013-10-14	2016-03-02	山东伯仲真空设备股份有限公司	Roots pump rotor
CN107061271B (en) *	2017-03-08	2020-06-23	杭州电子科技大学	Wide-head rotor of high-vacuum displacement pump

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US30157A (en) *		1860-09-25		-roots
US647951A (en) *	1898-10-17	1900-04-24	P H & F M Roots Company	Rotary pump.
US704224A (en) *	1902-01-11	1902-07-08	P H & F M Roots Company	Rotary pump.
US1361423A (en) *	1916-04-19	1920-12-07	Waterous Engine Works Company	Rotary pump
US2321696A (en) *	1940-02-06	1943-06-15	Imo Industri Ab	Screw rotor
FR1105103A (en) *	1953-09-21	1955-11-28	Saurer Ag Adolph	Rotary compressor fitted with heliocoidal toothed rotors
FR1170967A (en) *	1957-04-08	1959-01-21	Expl Du Generateur A Piston Li	Gear pumps and motors
GB837128A (en) *	1957-07-18	1960-06-09	John Wilmott Marshall	Rotary pumps and engines
US3089638A (en) *	1958-12-01	1963-05-14	Dresser Ind	Impellers for fluid handling apparatus of the rotary positive displacement type
DE1403517A1 (en) *	1960-07-16	1968-11-28	Differential Diesel Engines Es	Roots compressor
US3105634A (en) *	1960-12-27	1963-10-01	Polysius Gmbh	Rotary piston for a roots blower
DE1503553A1 (en) *	1965-03-20	1970-03-26	Wilhelm Klein Inhaber Otto Sch	Rotary piston blower, so-called Roots blower
US3371856A (en) *	1966-03-24	1968-03-05	Fuller Co	Modified cycloidal impeller

1971
- 1971-02-24 DE DE19712108714 patent/DE2108714B2/en not_active Ceased
1972
- 1972-02-21 CH CH245072A patent/CH537526A/en not_active IP Right Cessation
- 1972-02-21 AT AT139572A patent/AT314062B/en not_active IP Right Cessation
- 1972-02-22 US US00228251A patent/US3817667A/en not_active Expired - Lifetime
- 1972-02-23 IT IT20914/72A patent/IT947817B/en active
- 1972-02-23 FR FR7206074A patent/FR2127729A5/fr not_active Expired
- 1972-02-24 GB GB850672A patent/GB1345107A/en not_active Expired

Also Published As

Publication number	Publication date
DE2108714A1 (en)	1972-09-07
FR2127729A5 (en)	1972-10-13
GB1345107A (en)	1974-01-30
AT314062B (en)	1974-03-25
US3817667A (en)	1974-06-18
CH537526A (en)	1973-05-31
DE2108714B2 (en)	1973-05-30

Publication	Publication Date	Title
ATA473672A (en)	1975-02-15	INNER-AXIS ROTARY PISTON MACHINE WITH COMBINATION
SE381712B (en)	1975-12-15	ROTATION PISTON MACHINE FOR VETSKOR
BE814333A (en)	1974-10-29	PISTON MACHINE
IT947817B (en)	1973-05-30	ROTARY PISTON MACHINE
IT974816B (en)	1974-07-10	IMPROVEMENT IN ROTATING PISTON MACHINES
BE785869A (en)	1973-01-05	PISTON MACHINE
IT994837B (en)	1975-10-20	ROTARY PISTON MACHINE
NL7503040A (en)	1975-09-29	ROTARY PISTON MACHINE.
BE786347A (en)	1972-11-16	ROTARY PISTON MOTOR
CH539206A (en)	1973-07-15	Rotary piston machine
BE780573A (en)	1972-09-13	PISTON MACHINE
IT1001522B (en)	1976-04-30	RADIAL PISTON MACHINE
BE752106A (en)	1970-12-01	BALANCED ROTARY PISTON MACHINE
CH533232A (en)	1973-01-31	Rotary piston machine
IT1006110B (en)	1976-09-30	RADIAL PISTON MACHINE
AT339731B (en)	1977-11-10	ROTARY PISTON DISPLACEMENT MACHINE
IT993651B (en)	1975-09-30	RADIAL PISTON MACHINE
BE823067A (en)	1975-04-01	ROTARY PISTON COMPRESSOR
IT993994B (en)	1975-09-30	RADIAL PISTON MACHINE
IT991264B (en)	1975-07-30	RADIAL PISTON MACHINE
IT993476B (en)	1975-09-30	RADIAL PISTON MACHINE
IT956020B (en)	1973-10-10	ROTARY PISTON MACHINE
BE793039A (en)	1973-04-16	ROTARY PISTON MACHINE
BE836680A (en)	1976-06-16	ROTARY PISTON MACHINE
SE402319B (en)	1978-06-26	ROTATION PISTON MACHINE