GB216559A - Improvements in methods of and apparatus for compressing elastic fluids - Google Patents
Improvements in methods of and apparatus for compressing elastic fluidsInfo
- Publication number
- GB216559A GB216559A GB499423A GB499423A GB216559A GB 216559 A GB216559 A GB 216559A GB 499423 A GB499423 A GB 499423A GB 499423 A GB499423 A GB 499423A GB 216559 A GB216559 A GB 216559A
- Authority
- GB
- United Kingdom
- Prior art keywords
- inducing
- fluid
- passages
- stage
- ejector
- 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
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/466—Arrangements of nozzles with a plurality of nozzles arranged in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
- F04F5/20—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
- F04F5/22—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating of multi-stage type
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
216,559. White, A. E., (Wheeler Manufacturing Co., C. H.). Feb. 20, 1923. Aspirating - apparatus, ejector; regulating or controlling action.-The rate of delivery of induced gas varies with the pressure of the inducing fluid (typically steam) in the manner shown in Fig. 1, in which the curves A, B, and C indicate this relationship for successively lower inducing-fluid pressures. respectively. In order to produce the most favourable rate of delivery, means are provided in the supply passage of the inducing fluid to vary the inducing-pressure in a predetermined manner. The invention is shown applied to both stages of a two-stage ejector in which the inducing-fluid supply passages 3, 14, feeding the two stages respectively, each divide into three passages 4 - - 6 and 15 - - 17 all provided with shutoff valves 7. The passages 6 and 17 are unrestricted throughout their length, but, in the other passages, plates 12, Fig. 3, having differently-sized orifices 10 are inserted, so that by the action of the operator in opening one of the valves 7 in each stage and shutting off the remainder, selected predetermined pressures may be given to the inducing fluid on its way to the nozzles N, thus providing that the operating characteristic of that stage may successively approximate to the outlines of the curves A, B and C. The inventdon may be applied to the construction of ejector described in Specification 114,131.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB499423A GB216559A (en) | 1923-02-20 | 1923-02-20 | Improvements in methods of and apparatus for compressing elastic fluids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB499423A GB216559A (en) | 1923-02-20 | 1923-02-20 | Improvements in methods of and apparatus for compressing elastic fluids |
Publications (1)
Publication Number | Publication Date |
---|---|
GB216559A true GB216559A (en) | 1924-05-20 |
Family
ID=9787707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB499423A Expired GB216559A (en) | 1923-02-20 | 1923-02-20 | Improvements in methods of and apparatus for compressing elastic fluids |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB216559A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8066166B2 (en) | 2003-04-29 | 2011-11-29 | Tyco Healthcare Group Lp | Surgical stapling device with dissecting tip |
US9629627B2 (en) | 2014-01-28 | 2017-04-25 | Coviden Lp | Surgical apparatus |
-
1923
- 1923-02-20 GB GB499423A patent/GB216559A/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8066166B2 (en) | 2003-04-29 | 2011-11-29 | Tyco Healthcare Group Lp | Surgical stapling device with dissecting tip |
US8348123B2 (en) | 2003-04-29 | 2013-01-08 | Covidien Lp | Surgical stapling device with dissecting tip |
US9039736B2 (en) | 2003-04-29 | 2015-05-26 | Covidien Lp | Surgical stapling device with dissecting tip |
US9713470B2 (en) | 2003-04-29 | 2017-07-25 | Covidien Lp | Surgical stapling device with dissecting tip |
US10314584B2 (en) | 2003-04-29 | 2019-06-11 | Covidien Lp | Surgical stapling device with dissecting tip |
US11317914B2 (en) | 2003-04-29 | 2022-05-03 | Covidien Lp | Surgical stapling device with dissecting tip |
US9629627B2 (en) | 2014-01-28 | 2017-04-25 | Coviden Lp | Surgical apparatus |
US11185326B2 (en) | 2014-01-28 | 2021-11-30 | Covidien LLP | Surgical stapling apparatus |
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