MXPA97000343A - Meter of le - Google Patents

Abstract

The present invention relates to a milk meter, characterized in that it comprises: a measuring chamber having an inlet that receives milk from the teat of a mammal, and an outlet, a mobile valve on an axis that extends into the measuring chamber and that opens and closes the outlet, a discharge chamber that has an intake that receives milk from the outlet of the measuring chamber when the valve is open, and an outlet that discharges the milk to a collection tank, a detector on the shaft of valve movement and that it detects milk level in the measuring chamber and controls the valve in response

Description

MILK METER BACKGROUND AND SUMMARY The invention relates to milk meters to measure milk production of mammals including cows, buffaloes from India, sheep and goats. A milk meter receives milk from the teat of a • mammal through a milking clamp, measure it and then send it to a collection tank. Various milk meters are known in the prior art. The present invention relates to continuous improvements in design, particularly in simplicity, ease of use and low maintenance. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic illustration of a milking installation using a milk meter. Figure 2 is a perspective view of a milk meter according to the invention. Figure 3 is an exploded perspective view of the milk meter of Figure 2. Figure 4 is a sectional view of the milk meter of Figure 2. Figure 5 is an enlarged view of a portion of the structure of the Figure 4. Figure 6 is a sectional view taken on line 6-6 of Figure 5.

Figure 7 is a sectional view taken on line 7-7 of Figure 4. Figure 8 is a sectional view taken on line 8-8 of Figure 7. Figure 9 is a sectional view that it is taken on line 9-9 of Figure 8. Figure 10 is an enlarged partially cut away view and a portion of the structure of Figure 2. Figure 11 is like Figure 4, and shows the valve in one position open Figure 12 is a sectional view, taken on line 12-12 of Figure 11. Figure 13 is a sectional view, taken on line 13-13 of Figure 11. Figure 14 is a view sectional, which is taken on line 14-14 of Figure 11. Figure 15 is an enlarged portion of the structure of Figure 3. Figure 1 schematically illustrates a milking installation 20 as known in the prior art, including a milk meter 22 that receives direction from the mammalian tits 24, such as a cow 26, through udder extractors 28, and milking clip 30, and passes the milk to the tank of the connection 32 as it is removed by vacuum from a vacuum source 34, this vacuum is also supplied to the udder extractors through and controlled by the pulsator 36, all as is standard in the prior art, for which greater reference is made to the US Patents Nos. 4,269,143, 4,530,307, 4,537,152, 5,080,041, 5,178,095, 5,218,924, and 5,291,853, incorporated herein by reference. The present invention relates to improvements to milk meter 22. Milk meter 22, Figures 2 to 4, has a measuring chamber 40, Figure 4, which has an inlet 42 that receives milk from the cow's udder and a outlet 44. A valve 46 opens and closes the outlet 44, Figures 11 and 4. A discharge chamber 48 has an inlet 50 that receives milk at the outlet 44 of the measuring chamber 40, when the valve 46 is open, and has an outlet 52 that discharges milk to the collection tank 32. The valve 46 is movable on a vertical axis 54 that extends to a measuring chamber 40. The detector 56 on the shaft 54 detects the level of milk in the measuring chamber 40. , to determine the volumetric quantity of milk received, and controls the valve 46 in response. The detector 46 is a float shaped donut in the measuring chamber 40 and is reciprocal on the shaft 54. The valve 46 is a moving piston 58 in the measuring chamber 40 and reciprocal on the shaft 54. The float 56 circumscribes the piston 58 and is guided along for reciprocal movement on the shaft 54, according to the milk level in the measuring chamber 40. The measuring chamber 40 is on the discharge chamber 48 and is coaxial with it on the vertical shaft 54. The lower discharge chamber 48 has a stationary pedestal 60 that extends upwardly on the shaft 54. The piston 58 is guided by the pedestal 60 in concentric relation with him. The float 56 in the measuring chamber 40 is reciprocal on the axis 54 in concentric relation with the pedestal 60 and the piston 58. The piston 58 circumscribes the pedestal 60 and the float 56 circumscribes the piston 58. The pedestal 60 extends from the discharge chamber 48 up through the inlet 50 of the discharge chamber 48 through the outlet 44 of the measurement chamber 40 and has an upper portion 62 extending up a finished distance within the measuring chamber 40. The measuring chamber 40 has a valve drive mechanism 64, which will be described. The piston 58 extends downwardly from the valve actuating mechanism 64 and circumferentially around the pedestal 60 in the upper portion 62. The float 56 has an internal ring-shaped magnet 66. The pedestal 60 has magnetically responsive detectors 68 and 70 in vertically spaced positions in the upper position 62 of the pedestal to detect different levels of the float 56 in the measuring chamber 40 to control the valve actuation mechanism 64, to raise the piston 58 to open the valve, Fig. 11, and to lower the piston 58 to close the valve, Fig. 4. The magnetic detectors 68 and 70 are preferably reed switches, although other types of detectors may be employed. The discharge chamber 48 is subjected to vacuum at the outlet 52 from the vacuum source 34 to extract milk from the discharge chamber 48 to the collection tank 32. The valve piston 58 has a lower peripheral o-ring seal 72 for closing the outlet 44 of the measuring chamber 40. The piston 58 has a passage for vacuum transfer 74 through its hollow interior communicating the vacuum from the discharge chamber 48 through the piston 58 of the measuring chamber 40 to a level 74 on the highest level of milk there, including the lower filling level 76 that triggers closing the valve, Fig. 4, and the upper fill level 78 that triggers the open valve, Figure 11 to be described. The vacuum is communicated from the discharge chamber 48 through the openings 80 in the lower baffle 82 to be described, through the central passage for vacuum transfer 74 in the piston 58 through openings 84 in the upper part of the piston 58 and to the measuring chamber 40 on the milk level there. The valve actuating mechanism 64 includes a movable diaphragm 86 having a lower side secured to a vacuum in the measuring chamber 40 supplied through the vacuum transfer passage 74 in the piston 58. The diaphragm 86 has an upper side subject to variable vacuum in the chamber 88. The lower side of the diaphragm 86 has an annular elastomeric support 90 connected and releasably engages and clamps the piston cap 58 in quick coupling relation to move the piston to open and close the outlet 44 of the measuring chamber 40, Figures 11 and 4. The drive mechanism 64 includes a bypass spring 92 which directs the piston 58 upwards, such that when vacuum is applied to the upper side of the diaphragm 86, which balances the vacuum in the lower side of the diaphragm, the piston 58 moves upwards under the bypass of the bypass spring 92. The bypass spring 92 bears at its lower end against a stationary plate 92, Figure 5, and at its upper end against an enlarged head 96 of a stem 98 that extends down through the plate 94 and having a lower threaded end 100, which extends through the back plate 102 and diaphragm 86 and threaded into the holder 90 coupled with the piston 58. Vacuum is supplied to the upper side of the diaphragm 86 through holes 104 in the plate 94 from the chamber 88. The chamber 88 is defined by a lid upper 106 mounted on the housing member 108 by the retaining ring along threaded 110 and sealed in the O-ring 112 and the outer circumferential edge 114 of the diaphragm 86. The lid 106 has a control gate 116 for supplying the variable vacuum annotated for sealing the chamber 88, which is applied against the upper side of the diaphragm 86. In operation, when the milk in the measuring chamber 80 ascends to the level 78, Fig. 11, the upper reed switch 68 on the pedestal 60 closes due to the magnetic force field of the magnet 66, this closure of the reed switch 68 sends an electrical control signal through the conductor 118 to the valve 120, Fig. 1, this valve 120 then applies voids from the source 34 to the control gate 116 for applying voids through the chamber 88 and orifice 104 to the upper side of the diaphragm 86 to balance the vacuum of the lower side of the vacuum 86, such that the piston 58 moves upwards under the bypass of the bypass spring 92 to the position illustrated in Figure 11. This opens the valve 46 to allow milk to flow from the metering chamber 40 through the outlet 44 and inlet 50 within the discharge chamber 48 until the milk level in the measurement chamber 40 drops to level 76, Fig. 4. As the float 56 moves downward, the upper reed switch 168 opens to its normal position open, due to its own inherent derivation, as the magnet 66 moves away from there. When the float 56 reaches the lower level 76, the lower reed switch 70 then closes due to the magnetic force field of the magnet 66, this closure of the reed switch 70 sends an electrical control signal through the conductor 118 to the valve 120 to interrupt the vacuum supply to the control port 116 and atmospheric air is supplied in its place, such that there is atmospheric air pressure applied through the chamber 88 and orifice 104 to the upper side of the diaphragm 86, thereby creating a pressure differential to through the diaphragm 86 due to the vacuum applied against the underside of the diaphragm 86, such that the diaphragm 86 and the piston 58 move downwards in the position illustrated in Fig. 4, closing the valve 46 and repeating the cycle according to the milk refills to level 78. As piston 56 moves upward and magnet 66 moves away from the lower reed switch 70, this last reed switch opens to its position n normally open under its own inherent derivation. The height and density of the float are designed to minimize measurement errors due to milk foam. Any milk present in the foam on top of the float is not measured. Essentially, the float is designed to have at least one third of the float below the liquid surface, and to extend sufficiently high above the surface of the liquid milk, such that at least 99.5% of the total milk mass (liquid and foam) is below the upper surface of the float. This reduces the error of unmeasured milk to less than 0.5%. The connection 118 also carries a signal from a pair of conductivity probes 122 and 124 to measure milk conductivity. Some researchers suggest that conductivity measurements can help determine the health of the cow's udder. Since mastitic milk has high levels of sodium and chlorine and lower levels of potassium than healthy milk, measuring the electrical conductivity of milk can allow detection of early problems. The discharge chamber 48 has a dam wall 132, Figures 3, 14 and 15, around the outlet 52 of the discharge chamber. The dam wall has limited flow openings 134, 136, such that the milk in the discharge chamber 48 slowly exits the discharge chamber through the openings 134, 136 to the outlet 52 without stagnation. The conductivity probes 122 and 124 are in the discharge chamber 48 adjacent the base of the dam wall 132, to bring maximum contact with the pooled milk and improve the conductivity measurement. The discharge chamber also has a milk sampling access gate 126, with a removable plug 128, to allow sampling of the milk from the discharge chamber 48 after measurement in the measurement chamber 40. The measurement chamber 40 has an upper opening 130 in diameter greater than the diameter of the outlet 44 of the discharge chamber 40 and also larger than the diameter of the lower peripheral seal 72 of the piston 58. The upper cover 106 is connected to the measuring chamber in the upper opening 130 and the valve actuating mechanism 64 is mounted. The cap 106 is removable from the measuring chamber by unscrewing the ring 110 of the housing portion 108. This allows the operator to access the piston 58 through the access opening 130 and allows removal of the piston 58 through the access opening 130. A first deflector 140, Figures 3 and 4, is provided in the measuring chamber 40 and directs a flow of milk from the inlet 42 of the measuring chamber to the chamber measurement. A second baffle 82 provides the discharge chamber 48 and directs milk flows from the inlet 50 of the discharge chamber to the discharge chamber. The deflectors are aligned coaxially on the vertical axis 54. Each of the deflectors is a hat-shaped member. The hat-shaped baffle 140 has a central portion 142 and an outer portion 144 that extends radially outward and down therefrom. The hat-shaped baffle 82 has a central portion 146 and an outer portion 148 that extends radially outward and down therefrom. The central portion 142 of the baffle 140 has a larger diameter than the central portion 146 of the baffle 82. The outer portion 144 of the baffle 140 has a larger diameter than the outer portion 148 of the baffle 82. The hollow interior 74 of the piston 58 provides a passage for vacuum transfer extending between the baffles 82 and 140 and communicating vacuum from the discharge chamber 48 to the measurement chamber 40 at a location above the highest milk level in the measurement chamber. The openings 80 in the baffle 82 communicate vacuum such that vacuum is communicated from the discharge chamber 48 through the baffle 82 by the vacuum transfer passage 74 to the baffle 140 and the measurement chamber 40 above the milk level . The measuring chamber 40 is provided by a cylindrical chamber having a cylindrical wall 150 with an interior surface 152. The deflector 140 is an umbrella deflector in the cylindrical chamber 40 which directs milk flows from the inlet 42 in an umbrella pattern to the inner surface 152 of the cylindrical wall 150 to circulate downwardly along. The baffle 140 is a frustoconical member having a skirt portion 144 tapered downwardly and outwardly to the inner surface 152 of the cylindrical wall 150 and having a periphery 154, at least a portion 156 of which, Figure 9, is separated from the inner surface 152 of the cylindrical wall 150 by a radial space 158 through which milk circulates as illustrated by arrow 160. The inlet 42 introduces milk on a tangential flow path, Figures 2, 3 and 7. A plurality of circumferentially spaced ribs 162 extends radially outwardly and downwardly on the skirt portion 144, to absorb energy and break the tangential flow of milk from the inlet 42 and convert it to radial flow outward and downward toward the inner surface 152 of the cylindrical wall 150. The periphery 154 of the skirt portion 144 is indented, Figure 8, to define multiple flow streams on the surface interior 152 of the cylindrical wall 150. The cylindrical chamber is defined by a lower portion 164 of a first diameter, and an upper portion 166 of a second larger diameter. The upper portion 166 transits the lower portion 164 in an annular shoulder 168. The inlet 42 is in the upper portion. The ribs 162 have outer tips 170 that abut the shoulder 168, such that milk flows radially outwardly and downwardly on the skirt portion 144 between respective ribs 162 and toward the shoulder 168 and then downward through the space. 158 and on the inner surface 192 of the cylindrical wall 150. The baffle 140 has exterior surfaces 142 and 144 on which milk flows, and an inner surface 172 facing an inner portion 174 of the baffle. Vacuum is supplied to the interior portion 174 of the baffle, from the vacuum transfer passage 74 through the openings 84 in the piston 58. A passage for vacuum transfer 74 is provided from the interior 174 of the baffle 140 to the portion of the measuring chamber 40 surrounding the baffle 140 and above the milk level in the measuring chamber, by spacing the upper part of the baffle 140 below the upper portion of the housing portion 108 and / or providing openings or recesses such like 176 in the baffle. The housing section 108 is connected to the housing section 178 by the threaded annular ring 180 and sealed thereto by the gasket 182. The baffle 82 in the discharge chamber 48 directs the milk flow from the inlet 50 to the chamber of download. The baffle 82 is at the inlet 50 of the discharge chamber 48. The baffle 82 extends upward toward the outlet 44 of the measurement chamber 40 in the central portion 146. The outer peripheral flange portion 148 is separated from the inlet. 50 through a space 184 through which milk flows which is then directed away from the central portion 146 of the baffle 82 and radially outwardly on the flange 148 towards the discharge chamber 48. The baffle 82 is located in the discharge chamber 48. between the inlet 50 and the outlet 52. The outer flange portion 148 directs the flow of milk to the discharge chamber 48, laterally beyond the dam wall 132, to avoid directing milk flow from the inlet 50 to the outlet 52 of the discharge chamber, so that the milk must flow through limited flow openings 134, 136 in the dam wall 132. The discharge chamber 48 has a lower floor 186 with an opening 52 that prop The outlet wall of the discharge chamber 48 is provided. The dam wall 132 includes the support wall portions 188, 190, 192, which extend upwardly from the bottom floor 186 and which support the baffle 82 proximate to the inlet. the discharge chamber 48. The baffle 82 has a central opening 194 with slots 196, 198, 200, through which radial projections 202, 204, 206 of the pedestal 60 extend to guide and guide the baffle. The lower floor 186 is formed in the lower housing section 208 which is secured to the housing section 178 in threaded assembled relation and sealed in the packing 110. It is recognized that various alternative equivalents and modifications are possible within the scope of the claims annexes.

Claims (44)

1. CLAIMS 1. Milk meter, characterized in that it comprises: a measuring chamber having an inlet that receives milk from the teat of a mammal, and an outlet; a mobile valve on an axis that extends into the measuring chamber and that opens and closes the outlet; a discharge chamber having an inlet that receives milk from the outlet of the measuring chamber when the valve is open, and an outlet that discharges the milk to a collection tank; a detector on the axis of movement of the valve and that detects milk level in the measuring chamber and controls the valve in response.
2. 2. Milk gauge according to claim 1, characterized in that the detector comprises a float movable in the measuring chamber and reciprocal on the axis.
3. 3. Milk gauge according to claim 2, characterized in that: the valve comprises a piston movable in the measuring chamber and reciprocal on the axis; The float circumscribes the piston and is guided for reciprocating movement on the shaft according to the level of milk in the measuring chamber.
4. 4. A milk meter, characterized in that it comprises: a measuring chamber having an entrance that receives milk from the teat of a mammal, and an outlet; a discharge chamber below the measuring chamber and coaxially on a vertical axis, the chamber having an inlet that receives milk from the outlet of the measuring chamber and an outlet that discharges the milk to a collection tank; a stationary pedestal at least in one of the chambers and extending on the axis; a valve that opens and closes the outlet of the measuring chamber, the valve comprises a reciprocal moving piston on the axis and guided by the pedestal in concentric relation therewith.
5. 5. Milk gauge according to claim 4, characterized in that it comprises a mobile float in the reciprocal measuring chamber on the axis in concentric relation with the pedestal and the piston and detects the level of milk in the measuring chamber.
6. 6. Milk gauge according to claim 5, characterized in that the piston circumscribes the pedestal; and the float circumscribes the piston.
7. 7. Milk gauge according to claim 6, characterized in that the pedestal extends from the discharge chamber upwards through the inlet of the discharge chamber and through the outlet of the measuring chamber and has a portion top that extends up a certain distance within the measuring chamber; the measuring chamber has a valve actuating mechanism; and the piston extends downwardly from the valve actuating mechanism and circumferentially around the pedestal.
8. 8. - Milk meter according to claim 7, characterized in that the float comprises a magnet; the pedestal has detectors that respond magnetically in vertically spaced positions in the upper portion of the pedestal, to detect different levels of the float in the measuring chamber, to control the valve actuation mechanism.
9. 9. A milk meter, characterized in that it comprises: a measuring chamber having an inlet that receives milk from the teat of a mammal, and an outlet; a discharge chamber below the measuring chamber and having an intake that receives milk from the outlet of the measuring chamber and an outlet that discharges the milk to a collection tank, the discharge chamber is subject to vacuum in the exit to extract milk from there to the collection tank; a valve that opens and closes the outlet, comprising a movable piston having a seal for closing the outlet of the measuring chamber and having a passage for vacuum transfer that communicates vacuum from the discharge chamber through the piston to the measuring chamber at a level above the milk level.
10. 10. Milk meter according to claim 9, characterized in that: the measuring chamber has a valve actuating mechanism comprising a mobile diaphragm; the diaphragm has a vacuum-clamped side in the measurement chamber supplied through the vacuum transfer passage in the piston; the diaphragm has an opposite side subject to variable vacuum; and the diaphragm engages the piston to move the latter to open and close the outlet of the measuring chamber.
11. 11. Milk meter according to claim 10, characterized in that the drive mechanism comprises a bypass member, which drifts the piston in a first direction, such that when vacuum is applied to the opposite side of the diaphragm that balances the In the case of a vacuum on the first side of the diaphragm, the piston moves in said direction under the branch of the bypass member.
12. 12. Milk gauge according to claim 9, characterized in that the measuring chamber has an upper opening with a larger diameter than the outlet of the measuring chamber and also larger than the lower peripheral seal of the piston; and comprises an upper layer connected to the mounting chamber in the upper opening that mounts a valve actuating mechanism that engages the piston and operable to move the piston to open and close the outlet of the measuring chamber, wherein: the Piston is accessed to remove through the upper opening of the measuring chamber when separating the lid.
13. 13. Milk meter, characterized in that it comprises: a measuring chamber having an inlet that receives milk from the teat of a mammal, and an outlet; a valve that opens and closes the outlet; a discharge chamber having an inlet that receives milk from the outlet of the measuring chamber when the valve is open and an outlet that discharges the milk to a collection tank; a valve actuator at the opposite end of the measuring chamber from the discharge chamber and actuating the valve to open and close the valve.
14. 14. Milk gauge according to claim 13, characterized in that: the valve comprises a mobile piston having a peripheral seal for closing the outlet of the measuring chamber; the measuring chamber has an access opening of larger diameter than the outlet of the measuring chamber and also larger than the peripheral seal of the piston; and comprises a cap connected to the metering chamber in the access opening, wherein: the cap assembles a valve drive mechanism that couples the piston and operable to move the piston to open and close the outlet of the metering chamber; and the cap is removable from the metering chamber to access the piston through the access opening and allow removal of the piston through the access opening.
15. 15. Milk meter characterized in that it comprises: a measuring chamber having an inlet that receives milk from the teat of a mammal, and an outlet; a discharge chamber having an inlet that receives milk from the outlet of the measuring chamber, and an outlet that discharges the milk to a collection tank; a valve comprising a movable piston having a seal for opening and closing the outlet of the measuring chamber; a valve actuating mechanism comprising a movable diaphragm subject to variable vacuum and coupled to the piston to move the latter, to open and close the outlet of the measuring chamber.
16. 16. Milk meter according to claim 15, characterized in that the measuring chamber is subject to vacuum; the diaphragm has a side subject to vacuum in the measuring chamber; and comprises a lid mounted in the measuring chamber and having a control gate to supply the variable vacuum to the lid, wherein: the diaphragm has another side subject to the variable vacuum in the lid supplied through the control gate.
17. 17. Milk meter, characterized in that it comprises: a measuring chamber having an inlet that receives milk from the teat of a mammal, and an outlet; a discharge chamber that has an entrance that communicates with the outlet of the measuring chamber, and an outlet that discharges the milk to a collection tank; a stationary pedestal at least in one of the chambers and defining an axis that extends through both chambers; a valve that opens and closes the outlet of the measuring chamber, comprising a reciprocating mobile piston on the axis and guided by the pedestal in concentric relation therewith; A lever detector on the y-axis that responds to the milk level in the measuring chamber, to control the opening and closing of the valve.
18. 18. Milk meter according to claim 17, characterized in that the discharge chamber is below the measuring chamber; and the level detector is in the measuring chamber and on the discharge chamber.
19. 19.- milk meter according to claim 17, characterized in that the discharge chamber has a gate for access milk sampling with a removable cap to allow sampling of milk from discharge chamber after measurement in the chamber measurement.
20. 20. Milk meter according to claim 17, characterized in that it comprises a pair of shadows of electrical conductivity in the discharge chamber that define an electric path between them through the milk in the discharge chamber to determine electrical conductivity of the milk. the milk
21. 21. Milk meter according to claim 17, characterized in that the discharge chamber has a dam wall around the outlet of the discharge chamber; the dam wall has a limited flow opening such that the milk in the discharge chamber slowly exits the discharge chamber through the opening in the dike wall at the outlet of the discharge chamber without stagnation.
22. 22. - Milk meter according to claim 21, characterized in that it comprises a pair of probes of electrical conductivity in the discharge chamber adjacent to the dam wall to maximize contact with the milk collected and define an electric path between them to Through the milk in the discharge chamber, to determine the electrical conductivity of the milk, the maximized contact of the conductivity probes with the collected milk improving the conductivity measurement.
23. 23. Milk meter characterized in that it comprises: a measuring chamber having an inlet that receives milk from the teat of a mammal, and an outlet; a discharge chamber having an inlet communicating with the outlet of the measuring chamber, and an outlet that discharges the milk to a collection tank; a valve that opens and closes the outlet of the measuring chamber, comprising a reciprocating mobile piston on the vertical axis that extends through the measuring chamber, the outlet of the measuring chamber, the inlet of the discharge chamber and the discharge chamber; a level detector that responds to the level of milk in the measuring chamber, to control the opening and closing of the valve, the level detector comprises a float coaxial with and vertically reciprocal on the vertically reciprocal piston.
24. 24. - Milk meter according to claim 23, characterized in that: the measuring chamber has a lower floor with an opening that provides the outlet of the measuring chamber communicating with the underlying discharge chamber; the piston has a seal to close the opening; and comprises a stationary pedestal extending from the discharge chamber upwards through the opening and into the measurement chamber, wherein: the float circumscribes the piston; and the piston circumscribes the pedestal and extends downwardly in telescoping relationship.
25. 25. Milk meter, characterized in that it comprises: a measuring chamber having an inlet that receives milk from the teat of a mammal, and an outlet; a discharge chamber having an inlet that receives milk from the outlet of the measuring chamber and an outlet that discharges the milk to a collection tank; a first deflector in the measuring chamber directs a milk flow from the inlet of the measuring chamber to the measuring chamber; a second baffle in the discharge chamber directing milk flow from the inlet of the discharge chamber to the discharge chamber.
26. 26.- Milk meter according to claim 25, characterized in that the first and second baffles are aligned coaxially on an axis that extends through the measuring chamber, the output of the measuring chamber, the chamber inlet of discharge and the discharge chamber.
27. 27. Milk gauge according to claim 25, characterized in that each of the first and second baffles is a hat-shaped member having a central portion and an outer portion extending radially outward and downward therefrom; the central portion of the first baffle has a larger diameter, larger than the central portion of the second baffle; and the outer portion of the first baffle has a larger diameter than the outer portion of the second baffle.
28. 28. Milk meter according to claim 25, characterized in that it comprises means that supply vacuum to the discharge chamber; and means for vacuum transfer communicating vacuum from the discharge chamber to the measurement chamber at a site above the highest level of milk in the measurement chamber, the means for vacuum transfer comprise traveling passage means for vacuum extending between the first and second deflectors.
29. 29. Milk meter according to claim 28, characterized in that it comprises an opening in the second deflector communicating through vacuum, so that the vacuum is communicated from the discharge chamber through the second baffle, through the vacuum transfer means, to the first baffle and the measurement chamber above the milk level.
30. 30. A milk meter comprising a measuring chamber having an inlet that receives milk from the teat of a mammal and an outlet, the measuring chamber comprising a cylindrical chamber having a cylindrical wall with an inner surface, a baffle In the form of an umbrella in the cylindrical chamber that directs better milk from the entrance in an umbrella pattern to the inner surface of the cylindrical wall to circulate through.
31. 31. Milk gauge according to claim 30, characterized in that the deflector comprises a frusto-conical member having a skirt portion tapering downwards and outwards towards the interior surface of the cylindrical wall and having a periphery, at least a portion of which is spaced from the inner surface of the cylindrical wall by a radial space through which milk flows.
32. 32.- Milk meter according to claim 31, characterized in that the inlet introduces milk on a tangential flow path; and comprises a plurality of circumferentially spaced ribs, extending radially outwardly and downwardly on the skirt portion to absorb energy and interrupt the flow of tangential milk from the inlet and convert it for radial flow outward and downward, towards the inner surface of the cylindrical wall.
33. 33.- Milk meter according to claim 32, characterized in that the periphery of the skirt portion is indented to define multiple flow paths on the inner surface of the cylindrical wall.
34. 34. Milk meter according to claim 32, characterized in that the cylindrical chamber comprises a lower portion of a first diameter, and an upper portion of a second larger diameter; the upper portion transitions to the inner portion on an annular shoulder; the entrance is in the upper position; and the ribs have outer points that rest on the shoulder, so that the milk circulates radially outward and downward on the skirt portion between the ribs and toward the shoulder and then down through space and over the surface inside the cylindrical wall on the lower portion.
35. 35.- Milk meter according to claim 30, characterized in that: the baffle has an outer surface on which milk flows, and an inner surface facing an inner portion of the baffle; and comprises: means that supply vacuum to the interior portion of the baffle; and a passage for vacuum transfer that communicates empty from inside the baffle to the portion of the measuring chamber surrounding the baffle and above the milk level in the measuring chamber.
36. 36. Milk meter according to claim 35, characterized in that the baffle comprises an upper cylindrical section and a lower frusto-conical section tapering downwards and outwards therefrom; and the passage for vacuum transfer is provided through the upper cylindrical section of the baffle.
37. 37.- Milk meter according to claim 36, characterized in that it comprises: a valve that opens and closes the outlet, wherein the valve comprises: a moving piston having an outer peripheral seal that engages with the outlet, and a passage for internal vacuum transfer that communicates vacuum to the interior portion of the baffle.
38. 38.- Milk meter, characterized in that it comprises: a measuring chamber having an entrance that receives milk from the teat of a mammal, and an exit; a discharge chamber having an inlet that receives milk from the outlet of the measuring chamber and an outlet that discharges the milk to a collection tank; A deflector in the discharge chamber directs milk flow from the inlet of the discharge chamber to the discharge chamber.
39. 39. Milk meter according to claim 38, characterized in that the baffle is at the entrance of the discharge chamber.
40. 40. - Milk meter according to claim 39, characterized in that the deflector extends inside the outlet of the measuring chamber.
41. 41. Milk meter according to claim 38, characterized in that the discharge chamber has a dam wall around the outlet of the discharge chamber; the dam wall has a limited flow opening to limit the flow of milk from the discharge chamber to the outlet of the discharge chamber; and the second baffle is located in the discharge chamber between the inlet of the discharge chamber and the outlet of the discharge chamber and has an outer portion directing milk flow to the discharge chamber laterally beyond the dike wall , to avoid directing milk flow from the inlet of the discharge charge to the outlet of the discharge chamber, so that milk must flow through the limited flow opening in the dike wall.
42. 42. Milk meter according to claim 39, characterized in that the deflector comprises a hat-shaped member having a central portion extending inside the outlet of the measuring chamber and an outer peripheral flange extending from the central portion, radially outward and towards the discharge chamber; the flange is spaced from the inlet of the discharge chamber through a space through which milk flows which is then directed away from the central portion of the baffle and radially outward on the flange within the discharge chamber.
43. 43.- Milk meter according to claim 39, characterized in that the discharge chamber has a lower floor with an opening that provides the outlet of the discharge chamber; the discharge chamber has a support wall extending upwards from the bottom floor and supporting the baffle near the entrance to the discharge chamber.
44. 44. Milk meter according to claim 43, characterized in that the deflector includes a peripheral flange spaced on the outlet of the discharge chamber to direct milk flow into the discharge chamber, laterally out of the outlet of the outlet. discharge chamber; and the support wall includes a dam wall having a limited flow opening through which milk flows from the laterally outward portion of the discharge chamber, towards the outlet of the discharge chamber, so that the milk which enters the discharge chamber through the inlet is directed laterally by the deflector laterally to the lower floor laterally outwardly of the dike wall and then flows laterally inwardly through the flow opening limited to the outlet of the outlet. discharge chamber, so that milk comes out slowly from the discharge chamber without stagnation. BBSÜMEN PB A INVENTION The present invention relates to a milk meter (22) having a measuring chamber (40) with an inlet (42) that receives milk from the teat of a mammal (24), a discharge chamber ( 48) having an inlet (50) from the metering chamber and an outlet (52) discharging the milk to a collection tank (32) a vertically reciprocating piston valve (46) that opens and closes the outlet of the chamber of measurement and communicates vacuum from the discharge chamber through the piston to the measurement chamber, and a float for level detection (56) in the measurement chamber and circumscribes the piston valve and reciprocates vertically along.