EP0119216A1 - Milking machine - Google Patents
Milking machineInfo
- Publication number
- EP0119216A1 EP0119216A1 EP19830902766 EP83902766A EP0119216A1 EP 0119216 A1 EP0119216 A1 EP 0119216A1 EP 19830902766 EP19830902766 EP 19830902766 EP 83902766 A EP83902766 A EP 83902766A EP 0119216 A1 EP0119216 A1 EP 0119216A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- teat cup
- room
- vacuum
- teat
- machine according
- 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.)
- Withdrawn
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
- A01J5/08—Teat-cups with two chambers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01J—MANUFACTURE OF DAIRY PRODUCTS
- A01J5/00—Milking machines or devices
- A01J5/007—Monitoring milking processes; Control or regulation of milking machines
Definitions
- This invention relates to a milking machine comprising teat cups and in these ones arranged teat cup liners, the room inside the teat cup liner in each teat cup being connected with a vacuum source and the room between the teat cup and teat cup liner being connected with a pulsator that switches between suction phase and massage phase.
- German patent publication No. 1.245.201 is previously known a milking machine working at overpressure. Due to the special design of the machine with a pump cylinder in which a plunger is moving to and fro for generating overpressure and vacuum and to the occurence of a valve in the line between the pump cylinder and the milk collecting receptacle, which valve has a closed position in one phase and an open position in another phase, the apparatus seems to give a vacuum in the room between the teat cup liner and the teat cup that could be stronger than the vacuum in the room inside the teat cup liner.
- the room between the teat cup and the teat cup liner is arranged to be intermittently under a pressure that is higher than the atmospheric pressure, and intermittently under a vacuum that is stronger than that existing in the room inside the teat cup liner, at the same time as this room is arranged to be under a vacuum that is essentially constant.
- Fig. 1 shows a teat with a teat cup put on it in section during the suction phase
- Fig. 2 shows a teat with a teat cup put on it during the massage phase.
- Fig. 1 and 2 disclose a teat cup 1 fastened onto a teat 2.
- the teat cup comprises a teat cup liner 3 and two different channels 4, 5.
- One 4 of the channels is under essentially constant vacuum and is in connection with the room 6 Inside the teat cup liner 3 such that it carries milk from the teat.
- the second channel 5 is in connection with the room 7 between the teat cup and the teat cup liner and is furthermore connected with a pulsator that switches between vacuum (suction phase) and an overpressure (massage phase).
- the pressure in the pulsation chamber is regularly switched between vacuum and atmospheric pressure.
- the channel that Is connected to the room between the teat cup and the teat cup liner is during the suction phase via the pulsator connected with the vacuum line of the milk ing machine, while during the massage phase the pulsator connects the channel with the atmosphere.
- the room 7 between the teat cup 1 and the teat cup liner 3, i.e. the pulsation chamber, is via the channel 5 and the pulsator during the massage phase put under a pressure that is higher than the atmospheric pressure.
- This can be done in different ways, for instance by means of a separate compressor or by the outlet side of the pump generating the vacuum in the vacuum line, the outlet of the pump being connected with the channel 5.
- An essential advantage by putting the pulsation chamber under overpressure is that the teat gets stimulation and massage along all its length, which leads to increased milk yield from the cow.
- the strong vacuum in the room 7, i.e. the pulsation side, can be arranged in a suitable way, for instance by connecting the room with the vacuum line of the milking machine.
- the vacuum pump is working at the level of the strong vacuum, while the room 6 inside the teat cup liner 3, i.e. the milking side, is connected via a reducing valve such that a weaker vacuum is received there.
- the vacuum of the room 6 is essentially constant.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Animal Husbandry (AREA)
- Environmental Sciences (AREA)
- External Artificial Organs (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8204926 | 1982-08-30 | ||
SE8204926A SE8204926D0 (sv) | 1982-08-30 | 1982-08-30 | Mjolkningsmaskin |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0119216A1 true EP0119216A1 (en) | 1984-09-26 |
Family
ID=20347651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19830902766 Withdrawn EP0119216A1 (en) | 1982-08-30 | 1983-08-26 | Milking machine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0119216A1 (da) |
DK (1) | DK211684A (da) |
SE (1) | SE8204926D0 (da) |
WO (1) | WO1984000874A1 (da) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5178095A (en) * | 1991-06-13 | 1993-01-12 | Dec International, Inc. | Milking system with positive pressure on thin liner |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1632935A1 (de) * | 1968-01-26 | 1971-08-12 | Jacob Maier Jun | Melkbecher fuer Melkmaschinen |
SE370165B (da) * | 1973-02-05 | 1974-10-07 | Alfa Laval Ab |
-
1982
- 1982-08-30 SE SE8204926A patent/SE8204926D0/xx unknown
-
1983
- 1983-08-26 WO PCT/SE1983/000302 patent/WO1984000874A1/en not_active Application Discontinuation
- 1983-08-26 EP EP19830902766 patent/EP0119216A1/en not_active Withdrawn
-
1984
- 1984-04-27 DK DK211684A patent/DK211684A/da not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO8400874A1 * |
Also Published As
Publication number | Publication date |
---|---|
SE8204926D0 (sv) | 1982-08-30 |
DK211684D0 (da) | 1984-04-27 |
WO1984000874A1 (en) | 1984-03-15 |
DK211684A (da) | 1984-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB NL SE |
|
17P | Request for examination filed |
Effective date: 19840816 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 19841109 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: NORDEGREN, SVEN AKE Inventor name: SOEDERMAN, LENNART |