SE8305127L - Vacuum pulsator unit for automatic milking machine - has pair of adjustable bleed valves to control frequency and phase of pressure fluctuations - Google Patents

Vacuum pulsator unit for automatic milking machine - has pair of adjustable bleed valves to control frequency and phase of pressure fluctuations

Info

Publication number
SE8305127L
SE8305127L SE8305127A SE8305127A SE8305127L SE 8305127 L SE8305127 L SE 8305127L SE 8305127 A SE8305127 A SE 8305127A SE 8305127 A SE8305127 A SE 8305127A SE 8305127 L SE8305127 L SE 8305127L
Authority
SE
Sweden
Prior art keywords
valve
vacuum
pulsator
pair
bleed valves
Prior art date
Application number
SE8305127A
Other languages
Swedish (sv)
Other versions
SE8305127D0 (en
Inventor
Thomas Leslie Seaborne
Original Assignee
Thomas Leslie Seaborne
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomas Leslie Seaborne filed Critical Thomas Leslie Seaborne
Priority to SE8305127A priority Critical patent/SE8305127L/en
Publication of SE8305127D0 publication Critical patent/SE8305127D0/en
Publication of SE8305127L publication Critical patent/SE8305127L/en

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
    • A01J5/12—Pulsators arranged otherwise than on teat-cups with membranes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Husbandry (AREA)
  • Environmental Sciences (AREA)
  • Massaging Devices (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

The vacuum pulsator valve for milking machines comprises a pair of valve-members controlling the alternate application of vacuum and air pressure in a line connected to the pulsator. The pulsator includes adjustable bleed valves (19,21) operative to control the frequency of alternation and/or the phase length of alternation of vacuum and air pressure. The pulsator may be subject to compressed air or atmospheric air, and the bleed valves are adjustable externally of the pulsator body. One valve is moved alternately to the other valve between two positions to control a bleed passage communicating with the other valve for alternately applying vacuum and pressure to the other valve. For controlling the ratio of the pulsator cycle and thereby controlling the length of time the valve is subjected to vacuum or pressure, a needle valve is associated with the bleed passage.
SE8305127A 1983-09-22 1983-09-22 Vacuum pulsator unit for automatic milking machine - has pair of adjustable bleed valves to control frequency and phase of pressure fluctuations SE8305127L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8305127A SE8305127L (en) 1983-09-22 1983-09-22 Vacuum pulsator unit for automatic milking machine - has pair of adjustable bleed valves to control frequency and phase of pressure fluctuations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8305127A SE8305127L (en) 1983-09-22 1983-09-22 Vacuum pulsator unit for automatic milking machine - has pair of adjustable bleed valves to control frequency and phase of pressure fluctuations

Publications (2)

Publication Number Publication Date
SE8305127D0 SE8305127D0 (en) 1983-09-22
SE8305127L true SE8305127L (en) 1983-11-16

Family

ID=20352606

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8305127A SE8305127L (en) 1983-09-22 1983-09-22 Vacuum pulsator unit for automatic milking machine - has pair of adjustable bleed valves to control frequency and phase of pressure fluctuations

Country Status (1)

Country Link
SE (1) SE8305127L (en)

Also Published As

Publication number Publication date
SE8305127D0 (en) 1983-09-22

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8305127-6

Effective date: 19880517