GB682813A - An ancillary pressure-controlling device - Google Patents
An ancillary pressure-controlling deviceInfo
- Publication number
- GB682813A GB682813A GB1923050A GB1923050A GB682813A GB 682813 A GB682813 A GB 682813A GB 1923050 A GB1923050 A GB 1923050A GB 1923050 A GB1923050 A GB 1923050A GB 682813 A GB682813 A GB 682813A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crankcase
- openings
- valve
- frame member
- atmosphere
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/128—Crankcases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
682,813. Crank-chambers. AIR-MAZE CORPORATION. Aug. 1, 1950. No. 19230/50. Class 7 (ii) [Also in Group XXVIII] In an ancillary pressure controlling device for use in connection with the crankcase of a compressor or internal-combustion engine, there is provided a breather pipe 11, extending from the crankcase and forming the sole connection between the crankcase and atmosphere, which has an inner frame member 18 of downwardly opening cup shape adapted to slidingly connect into the upper end thereof, there being arranged an annular series of openings 28 through the frame member 18, a flexible valve disc 29 overlying the openings on the upper face of the frame member and suitable fastening elements, such as nut 34 and bolt 30, securing the centre of the valve to the frame member, the latter being adapted to substantially completely close off the crankcase from atmosphere when the valve closes the openings. The breather pipe 11 is provided with a combined filter and valve unit 10 which comprises a cover 16 within which is the frame member 18 with a series of holes 26 near its upper end. A plate 27 is disposed across the member 18 just below the openings 26 which plate incorporates the openings 28 that are normally covered by the valve disc 29 of rubber-like material. The plate 27 is peripherally supported from the member 18 by welding, the valve clamping nut 34 and bolt 30 passing through and being tightened against the cover 16 by a wing nut 35, the removal of which nut allows removal of the cover 16 for servicing of the wire mesh filter 19 located between the cover 16 and member 18. Bleed holes 37 or 38 may be provided, the former through the valve disc 29 and the latter in the walls of member 18. When a piston moves towards the crankcase a slight air pressure therein acts through holes 28 and lifts valve disc 29, the air passing to atmosphere by openings 26, filter 19 and annular opening 36; the valve closes upon the outstroke of the piston thereby maintaining a slight vacuum in the crankcase. Whilst the apparatus is illustrated as communicating with atmosphere by opening 36 it may also be used when the pipe 11 is connected to a source of suction or alternate pressure and suction through opening 36.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1923050A GB682813A (en) | 1950-08-01 | 1950-08-01 | An ancillary pressure-controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1923050A GB682813A (en) | 1950-08-01 | 1950-08-01 | An ancillary pressure-controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB682813A true GB682813A (en) | 1952-11-19 |
Family
ID=10125888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1923050A Expired GB682813A (en) | 1950-08-01 | 1950-08-01 | An ancillary pressure-controlling device |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB682813A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019149924A1 (en) * | 2018-02-05 | 2019-08-08 | Watson-Marlow Bredel B.V. | A breather assembly for a peristaltic pump |
-
1950
- 1950-08-01 GB GB1923050A patent/GB682813A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019149924A1 (en) * | 2018-02-05 | 2019-08-08 | Watson-Marlow Bredel B.V. | A breather assembly for a peristaltic pump |
| KR20200116153A (en) * | 2018-02-05 | 2020-10-08 | 와츠슨-말로우 브레델 비.브이. | Breather assembly for peristaltic pump |
| CN111936744A (en) * | 2018-02-05 | 2020-11-13 | 沃森马洛布雷德尔公司 | Vent assembly for peristaltic pump |
| RU2741522C1 (en) * | 2018-02-05 | 2021-01-26 | Ватсон-Марлоу Бредел Б.В. | Breather assembly for peristaltic pump |
| US11448209B2 (en) | 2018-02-05 | 2022-09-20 | Watson-Marlow Bredel B.V. | Breather assembly for a peristaltic pump |
| CN111936744B (en) * | 2018-02-05 | 2023-02-21 | 沃森马洛布雷德尔公司 | Vent assembly for peristaltic pump |
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