Milking machine专利检索-奶衬挤奶杯挤奶机农用建筑及设备专利检索查询-专利查询网

Milking machine

阅读：788发布：2021-06-08

专利汇可以提供Milking machine专利检索，专利查询，专利分析的服务。并且A milk flow indicator is inserted in the pipeline through which the liners of the teat cups deliver milk to a vessel maintained under vacuum; and control means are operatively connected to this indicator for varying the vacuum in the vessel in response to changes in the milk flow in the pipeline, the control means acting to reduce the vacuum in response to substantial cessation of the milk flow. Preferably, the flow indicator is also arranged to vary a characteristic of the pulsations to which the teat cups are subjected by the pulsator means, such as the frequency of the pulsations and/or the ratio between the massage and suction periods of the pulsations.，下面是Milking machine专利的具体信息内容。

权利要求

1. In a milking machine, the combination of a cluster of teat cups having teat-receiving liners, vacuum source means including a relatively high vacuum source and a relatively low vacuum source, valve means having first and second conditions for connecting the cluster to said high and to said low vacuum sources, respectively, thereby creating in said liners a milking vacuum of working value and idling value, respectively, a flow rate sensing device associated with said cluster and operable independently of said valve means for sensing changes in the rate of milk flow from the cluster, and means operatively connecting said device to said valve means for actuating the valve means from said first to said second condition in response to a decrease in said flow rate and from said second to said first condition in response to an increase in said flow rate.

2. The combination defined in claim 1, comprising also pulsator means associated with the teat cups for subjecting them periodically to a massage vacuum to operate the teat cups, and control means operatively connected to said sensing device for reducing said massage vacuum from a working value to an idling value in response to a decrease in said flow rate, said control means being operable to increase the massage vacuum from an idling value to a working value in response to an increase in said flow rate.

3. The combination defined in claim 1, comprising also pulsator means associated with the teat cups for subjecting them periodically to a massage vacuum to operate the teat cups, and means operable by said sensing device for varying the frequency at which the teat cups are pulsed by the pulsator means.

4. The combination according to claim 1, comprising also pulsator means associated with the teat cups for operating the same to provide massage and suction periods in the teat cups, and means operable by said flow sensing device for varying the ratio between said massage and suction periods.

5. The combination according to claim 1, comprising also first and second vacuum pulsators connected to the high and low vacuum sources, respectively, each pulsator being operable to subject the teat cups periodically to a massage vacuum to operate the teat cups, and control means operatively connected to said sensing device for bringing the pulsators into operation alternately in response to changes in said flow rate, said first pulsator being brought into operation in response to an increase in the flow rate.

6. The combination according to claim 1, comprising also means for connecting the valve means to the cluster including a milk-receiving vessel, said sensing device being located in said connecting means between the cluster and the milk-receiving vessel, said valve means being operable by the sensing device to reduce the vacuum in the vessel in response to a decrease in said flow rate and to increase said last vacuum in response to an increase in said flow rate.

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Milking machine

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