JPH0115910Y2 - - Google Patents
Info
- Publication number
- JPH0115910Y2 JPH0115910Y2 JP1984036224U JP3622484U JPH0115910Y2 JP H0115910 Y2 JPH0115910 Y2 JP H0115910Y2 JP 1984036224 U JP1984036224 U JP 1984036224U JP 3622484 U JP3622484 U JP 3622484U JP H0115910 Y2 JPH0115910 Y2 JP H0115910Y2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- rotors
- roots
- teeth
- pitch circle
- 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
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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984036224U JPS60147790U (ja) | 1984-03-13 | 1984-03-13 | ル−ツ型ブロア |
US06/698,821 US4666385A (en) | 1984-03-13 | 1985-02-06 | Roots type blower |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984036224U JPS60147790U (ja) | 1984-03-13 | 1984-03-13 | ル−ツ型ブロア |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60147790U JPS60147790U (ja) | 1985-10-01 |
JPH0115910Y2 true JPH0115910Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-05-11 |
Family
ID=12463803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984036224U Granted JPS60147790U (ja) | 1984-03-13 | 1984-03-13 | ル−ツ型ブロア |
Country Status (2)
Country | Link |
---|---|
US (1) | US4666385A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
JP (1) | JPS60147790U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62243982A (ja) * | 1986-04-14 | 1987-10-24 | Hitachi Ltd | 2段型真空ポンプ装置およびその運転方法 |
US5203072A (en) * | 1991-01-17 | 1993-04-20 | Ohmstede Mechanical Services, Inc. | Detachable crane- or boom-operated heat exchanger tube bundle extractor |
DE4342509A1 (de) * | 1993-12-08 | 1995-06-14 | Mannesmann Ag | Parallel- und außenachsige Rotationskolbenmaschine |
US6439188B1 (en) | 2001-07-19 | 2002-08-27 | Brunswick Corporation | Four cycle four cylinder in-line engine with rotors of a supercharging device used as balance shafts |
US7335333B2 (en) | 2003-02-07 | 2008-02-26 | The Research Foundation Of The State University Of New York | Method of altering a fluid-borne contaminant |
SE530359C2 (sv) * | 2007-01-15 | 2008-05-13 | Benny Lindbrandt | Skruvkompressor, särskilt anpassad för användning som överladdare |
US20080193315A1 (en) * | 2007-02-08 | 2008-08-14 | Kabushiki Kaisha Toyota Jidoshokki | Roots-type fluid machine |
JP5353383B2 (ja) * | 2009-04-01 | 2013-11-27 | 株式会社豊田自動織機 | ルーツ式流体機械 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5349308A (en) * | 1976-10-18 | 1978-05-04 | Tokico Ltd | Two-shaft multiblade fluid mechanics |
US4224015A (en) * | 1977-01-19 | 1980-09-23 | Oval Engineering Co., Ltd. | Positive displacement flow meter with helical-toothed rotors |
US4210410A (en) * | 1977-11-17 | 1980-07-01 | Tokico Ltd. | Volumetric type flowmeter having circular and involute tooth shape rotors |
FR2430602A1 (fr) * | 1978-07-03 | 1980-02-01 | Oval Eng Co Ltd | Debitmetre volumetrique |
-
1984
- 1984-03-13 JP JP1984036224U patent/JPS60147790U/ja active Granted
-
1985
- 1985-02-06 US US06/698,821 patent/US4666385A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPS60147790U (ja) | 1985-10-01 |
US4666385A (en) | 1987-05-19 |