GB191416584A - Improvements in and relating to Vacuum Pumps more particularly for use in the Manufacture of Ice. - Google Patents
Improvements in and relating to Vacuum Pumps more particularly for use in the Manufacture of Ice.Info
- Publication number
- GB191416584A GB191416584A GB191416584DA GB191416584A GB 191416584 A GB191416584 A GB 191416584A GB 191416584D A GB191416584D A GB 191416584DA GB 191416584 A GB191416584 A GB 191416584A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oil
- piston
- ice
- manufacture
- pumps
- 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
Landscapes
- Reciprocating Pumps (AREA)
Abstract
16,584. Deygas, B. F. R. July 12, 1913, [Convention date]. Piston pumps. - Relates particularly to small vacuum handpumps used in the manufacture of ice by evaporation in the presence of a hygroscopic liquid. To obviate the compression which occurs at the end of the stroke in pumps which work in oil as a sealing-liquid, and to improve the circulation of the oil, two openings u, v are provided at the end of the cylinder a, in communication with both sides of the piston when at the end of its descending stroke. By this provision, the air or oil imprisoned under the piston can pass away to the lateral chamber t. The lower end of the pump is connected with the upper oil chamber i by a pipe, the opening s to which is uncovered at the end of each descending stroke by reason of the head m of pump-rod c striking the flexible cap j, which in turn depresses the lever n and raises the closing-rod o. The pipe x communicates with the receptacle in which the vacuum is to be produced.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR191416584X | 1913-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB191416584A true GB191416584A (en) | 1915-07-12 |
Family
ID=32526673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB191416584D Expired GB191416584A (en) | 1913-07-12 | 1914-07-11 | Improvements in and relating to Vacuum Pumps more particularly for use in the Manufacture of Ice. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB191416584A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3146940A (en) * | 1960-04-08 | 1964-09-01 | Battelle Development Corp | Reverse leakage seal for reciprocating parts |
-
1914
- 1914-07-11 GB GB191416584D patent/GB191416584A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3146940A (en) * | 1960-04-08 | 1964-09-01 | Battelle Development Corp | Reverse leakage seal for reciprocating parts |
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