DE20215849U1 - Helical pump has stator and rotor discharging via back-flow prevention valve - Google Patents
Helical pump has stator and rotor discharging via back-flow prevention valveInfo
- Publication number
- DE20215849U1 DE20215849U1 DE20215849U DE20215849U DE20215849U1 DE 20215849 U1 DE20215849 U1 DE 20215849U1 DE 20215849 U DE20215849 U DE 20215849U DE 20215849 U DE20215849 U DE 20215849U DE 20215849 U1 DE20215849 U1 DE 20215849U1
- Authority
- DE
- Germany
- Prior art keywords
- stator
- screw pump
- pump according
- eccentric screw
- pressure
- 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 - Lifetime
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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
- F04C15/066—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
- F04C2/1073—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type where one member is stationary while the other member rotates and orbits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
Description
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20215849U DE20215849U1 (en) | 2002-10-10 | 2002-10-10 | Helical pump has stator and rotor discharging via back-flow prevention valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20215849U DE20215849U1 (en) | 2002-10-10 | 2002-10-10 | Helical pump has stator and rotor discharging via back-flow prevention valve |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20215849U1 true DE20215849U1 (en) | 2003-01-09 |
Family
ID=7975997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20215849U Expired - Lifetime DE20215849U1 (en) | 2002-10-10 | 2002-10-10 | Helical pump has stator and rotor discharging via back-flow prevention valve |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE20215849U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004081385A1 (en) * | 2003-03-12 | 2004-09-23 | Roesner Peter | Eccentric screw pump |
-
2002
- 2002-10-10 DE DE20215849U patent/DE20215849U1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004081385A1 (en) * | 2003-03-12 | 2004-09-23 | Roesner Peter | Eccentric screw pump |
CN100429402C (en) * | 2003-03-12 | 2008-10-29 | 彼得·勒斯纳 | Eccentric screw pump |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20030213 |
|
R021 | Search request validly filed |
Effective date: 20021108 |
|
R163 | Identified publications notified |
Effective date: 20030516 |
|
R156 | Lapse of ip right after 3 years |
Effective date: 20060503 |