GB1261976A - Improvements in or relating to devices for the removal of viscous liquids from vacuum operating equipment - Google Patents
Improvements in or relating to devices for the removal of viscous liquids from vacuum operating equipmentInfo
- Publication number
- GB1261976A GB1261976A GB60237/69A GB6023769A GB1261976A GB 1261976 A GB1261976 A GB 1261976A GB 60237/69 A GB60237/69 A GB 60237/69A GB 6023769 A GB6023769 A GB 6023769A GB 1261976 A GB1261976 A GB 1261976A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vessel
- liquid
- screw
- driving screw
- screws
- 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
- 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
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps 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
- F04C2/16—Rotary-piston machines or pumps 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
- F04C2/165—Rotary-piston machines or pumps 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 having more than two rotary pistons with parallel axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/26—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
-
- 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
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/001—Pumps for particular liquids
- F04C13/002—Pumps for particular liquids for homogeneous viscous liquids
-
- 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
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps 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
- F04C2/16—Rotary-piston machines or pumps 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)
- Degasification And Air Bubble Elimination (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2497268 | 1968-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1261976A true GB1261976A (en) | 1972-02-02 |
Family
ID=11215299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB60237/69A Expired GB1261976A (en) | 1968-12-12 | 1969-12-10 | Improvements in or relating to devices for the removal of viscous liquids from vacuum operating equipment |
Country Status (7)
Country | Link |
---|---|
US (1) | US3582244A (xx) |
BE (1) | BE742898A (xx) |
DE (1) | DE1962464A1 (xx) |
FR (1) | FR2025983A1 (xx) |
GB (1) | GB1261976A (xx) |
IE (1) | IE33671B1 (xx) |
NL (1) | NL160174C (xx) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4944657A (en) * | 1989-03-01 | 1990-07-31 | Mowli John C | Two-stage pumping apparatus with low shear first stage |
US5267837A (en) * | 1992-09-23 | 1993-12-07 | Mowli John C | Two-stage pumping apparatus with non-meshing first stage augers |
AU2002243291A1 (en) | 2000-12-07 | 2002-06-18 | Eastman Chemical Company | Low cost polyester process using a pipe reactor |
US6906164B2 (en) * | 2000-12-07 | 2005-06-14 | Eastman Chemical Company | Polyester process using a pipe reactor |
US6599112B2 (en) * | 2001-10-19 | 2003-07-29 | Imperial Research Llc | Offset thread screw rotor device |
US7135541B2 (en) | 2003-06-06 | 2006-11-14 | Eastman Chemical Company | Polyester process using a pipe reactor |
US7074879B2 (en) * | 2003-06-06 | 2006-07-11 | Eastman Chemical Company | Polyester process using a pipe reactor |
US7332548B2 (en) * | 2004-03-04 | 2008-02-19 | Eastman Chemical Company | Process for production of a polyester product from alkylene oxide and carboxylic acid |
US20060264662A1 (en) * | 2005-05-19 | 2006-11-23 | Gibson Philip E | Esterification of an enriched composition |
US7834208B2 (en) | 2005-05-19 | 2010-11-16 | Eastman Chemical Company | Process to produce a post catalyst removal composition |
US20060264656A1 (en) * | 2005-05-19 | 2006-11-23 | Fujitsu Limited | Enrichment process using compounds useful in a polyester process |
US7880031B2 (en) * | 2005-05-19 | 2011-02-01 | Eastman Chemical Company | Process to produce an enrichment feed |
US7741516B2 (en) * | 2005-05-19 | 2010-06-22 | Eastman Chemical Company | Process to enrich a carboxylic acid composition |
US7897809B2 (en) * | 2005-05-19 | 2011-03-01 | Eastman Chemical Company | Process to produce an enrichment feed |
US20060264664A1 (en) * | 2005-05-19 | 2006-11-23 | Parker Kenny R | Esterification of an exchange solvent enriched composition |
US7919652B2 (en) * | 2005-05-19 | 2011-04-05 | Eastman Chemical Company | Process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone |
US7884231B2 (en) * | 2005-05-19 | 2011-02-08 | Eastman Chemical Company | Process to produce an enriched composition |
US7557243B2 (en) * | 2005-05-19 | 2009-07-07 | Eastman Chemical Company | Enriched terephthalic acid composition |
US7304178B2 (en) * | 2005-05-19 | 2007-12-04 | Eastman Chemical Company | Enriched isophthalic acid composition |
US7432395B2 (en) * | 2005-05-19 | 2008-10-07 | Eastman Chemical Company | Enriched carboxylic acid composition |
US7888529B2 (en) * | 2006-03-01 | 2011-02-15 | Eastman Chemical Company | Process to produce a post catalyst removal composition |
US20080139780A1 (en) * | 2006-12-07 | 2008-06-12 | Debruin Bruce Roger | Polyester production system employing short residence time esterification |
US7649109B2 (en) * | 2006-12-07 | 2010-01-19 | Eastman Chemical Company | Polyester production system employing recirculation of hot alcohol to esterification zone |
US7943094B2 (en) | 2006-12-07 | 2011-05-17 | Grupo Petrotemex, S.A. De C.V. | Polyester production system employing horizontally elongated esterification vessel |
US7863477B2 (en) * | 2007-03-08 | 2011-01-04 | Eastman Chemical Company | Polyester production system employing hot paste to esterification zone |
US7868130B2 (en) * | 2007-07-12 | 2011-01-11 | Eastman Chemical Company | Multi-level tubular reactor with vertically spaced segments |
US7847053B2 (en) * | 2007-07-12 | 2010-12-07 | Eastman Chemical Company | Multi-level tubular reactor with oppositely extending segments |
US7842777B2 (en) * | 2007-07-12 | 2010-11-30 | Eastman Chemical Company | Sloped tubular reactor with divided flow |
US7858730B2 (en) * | 2007-07-12 | 2010-12-28 | Eastman Chemical Company | Multi-level tubular reactor with dual headers |
US7829653B2 (en) * | 2007-07-12 | 2010-11-09 | Eastman Chemical Company | Horizontal trayed reactor |
US7868129B2 (en) * | 2007-07-12 | 2011-01-11 | Eastman Chemical Company | Sloped tubular reactor with spaced sequential trays |
US7872090B2 (en) * | 2007-07-12 | 2011-01-18 | Eastman Chemical Company | Reactor system with optimized heating and phase separation |
US7872089B2 (en) | 2007-07-12 | 2011-01-18 | Eastman Chemical Company | Multi-level tubular reactor with internal tray |
US10010812B2 (en) | 2014-05-08 | 2018-07-03 | Eastman Chemical Company | Furan-2,5-dicarboxylic acid purge process |
US9944615B2 (en) | 2014-05-08 | 2018-04-17 | Eastman Chemical Company | Purifying crude furan 2,5-dicarboxylic acid by hydrogenation and a purge zone |
US9504994B2 (en) | 2014-05-08 | 2016-11-29 | Eastman Chemical Company | Furan-2,5-dicarboxylic acid purge process |
US10421736B2 (en) | 2017-07-20 | 2019-09-24 | Eastman Chemical Company | Production of purified dialkyl-furan-2,5-dicarboxylate (DAFD) in a retrofitted DMT plant |
US10344011B1 (en) | 2018-05-04 | 2019-07-09 | Eastman Chemical Company | Furan-2,5-dicarboxylic acid purge process |
US10526301B1 (en) | 2018-10-18 | 2020-01-07 | Eastman Chemical Company | Production of purified dialkyl-furan-2,5-dicarboxylate (DAFD) in a retrofitted DMT plant |
DE102019210873A1 (de) * | 2019-07-23 | 2021-01-28 | Audi Ag | Schraubenspindelpumpe zur Förderung eines Fluids sowie entsprechende Schraubenspindelpumpenanordnung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2231357A (en) * | 1938-02-04 | 1941-02-11 | Leistritz Maschfabrik Paul | Kneading pump |
US2384254A (en) * | 1942-04-20 | 1945-09-04 | Self Priming Pump & Eng Co Ltd | Motor-driven centrifugal pump for liquid |
US2588888A (en) * | 1949-02-08 | 1952-03-11 | Laval Steam Turbine Co | Pump |
US2693762A (en) * | 1951-10-25 | 1954-11-09 | Laval Steam Turbine Co | Nonpositive screw pump and motor |
US3198582A (en) * | 1962-09-12 | 1965-08-03 | Warren Pumps Inc | Screw pump |
-
1969
- 1969-02-03 NL NL6901689.A patent/NL160174C/xx active
- 1969-12-08 US US882837A patent/US3582244A/en not_active Expired - Lifetime
- 1969-12-10 GB GB60237/69A patent/GB1261976A/en not_active Expired
- 1969-12-10 BE BE742898D patent/BE742898A/xx unknown
- 1969-12-11 FR FR6942935A patent/FR2025983A1/fr not_active Withdrawn
- 1969-12-11 IE IE1662/69A patent/IE33671B1/xx unknown
- 1969-12-12 DE DE19691962464 patent/DE1962464A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3582244A (en) | 1971-06-01 |
IE33671B1 (en) | 1974-09-18 |
IE33671L (en) | 1970-06-12 |
NL160174B (nl) | 1979-05-15 |
DE1962464A1 (de) | 1970-07-02 |
NL6901689A (xx) | 1970-06-16 |
FR2025983A1 (xx) | 1970-09-11 |
NL160174C (nl) | 1979-10-15 |
BE742898A (xx) | 1970-05-14 |
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