GB325355A - Improvements in pulsators for milking machines and the like - Google Patents
Improvements in pulsators for milking machines and the likeInfo
- Publication number
- GB325355A GB325355A GB171529A GB171529A GB325355A GB 325355 A GB325355 A GB 325355A GB 171529 A GB171529 A GB 171529A GB 171529 A GB171529 A GB 171529A GB 325355 A GB325355 A GB 325355A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- piston
- lever
- valves
- roller
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01J—MANUFACTURE OF DAIRY PRODUCTS
- A01J5/00—Milking machines or devices
- A01J5/04—Milking machines or devices with pneumatic manipulation of teats
- A01J5/10—Pulsators arranged otherwise than on teat-cups
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Animal Husbandry (AREA)
- Environmental Sciences (AREA)
- External Artificial Organs (AREA)
Abstract
325,355. Jonsson, G. E. Jan. 17, 1929. Cow-milkers. - In pulsators for milking- machines wherein two valves 11, each controlling a high-pressure inlet 9 to, and a lowpressure outlet from, a valve chamber 8, are actuated by piston or diaphragm devices 4, which are set in motion by difference of fluid pressure in the supply lines 18 and co-operate with a spring device causing a sudden reversal of the valves, the valves are actuated by a double-armed lever 21 connected to the piston or diaphragm .device by a roller co-operating with the wedgeshaped end of a spring-actuated member. As shown, the two-armed valve lever 21 is integral with the guide 22 of a plunger co-operating by its wedge-faced end 23 with a roller 26 on a lever 19 connected to pistons 4 which are alternately acted upon by atmosphere and by vacuum through adjustably controlled passages 7. In modifications, the roller is carried by the valve-lifting lever, the pistons are replaced by. diaphragms, or a single diaphragm or a single piston disposed towards the bottom of the chamber 15 is employed. The single diaphragm or piston may carry the wedge-shaped faces on a spring arm. To prevent racing of the apparatus should the pressure difference be suddenly increased above the normal, the diaphragm &c. may be combined with a dashpot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB171529A GB325355A (en) | 1929-01-17 | 1929-01-17 | Improvements in pulsators for milking machines and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB171529A GB325355A (en) | 1929-01-17 | 1929-01-17 | Improvements in pulsators for milking machines and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB325355A true GB325355A (en) | 1930-02-20 |
Family
ID=9726755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB171529A Expired GB325355A (en) | 1929-01-17 | 1929-01-17 | Improvements in pulsators for milking machines and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB325355A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2481606A (en) * | 1945-03-09 | 1949-09-13 | Robert E Maes | Top for milking machine containers |
| US3167083A (en) * | 1961-09-05 | 1965-01-26 | Peninsular Distributing Compan | Sequence valve |
-
1929
- 1929-01-17 GB GB171529A patent/GB325355A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2481606A (en) * | 1945-03-09 | 1949-09-13 | Robert E Maes | Top for milking machine containers |
| US3167083A (en) * | 1961-09-05 | 1965-01-26 | Peninsular Distributing Compan | Sequence valve |
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