[특허]Apparatus for on-site detection of mastitis in milk animals

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Apparatus for on-site detection of mastitis in milk animals

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A01J-007/00
미국특허분류(USC)	119/014.01; 119/014.14; 119/014.54
출원번호	US-0329645 (1981-12-11)
발명자 / 주소	Mortensen, Bruce
대리인 / 주소	Foster, Lynn G.
인용정보	피인용 횟수 : 21 인용 특허 : 1

초록
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A filtering cell through which milk from each cow of a herd is caused to pass for immediate detection of mastitis. Milk from the different teats of each animal is combined and passed through the filtering device which comprises a housing and a filter through which the milk passes. A light producing device is located on one side of the filter and a photoelectric cell on the other side. Thus, any decreased flow of light through the filter caused by the collection of a white clotted material from the milk infected by mastitis will be optically identified. If desired, a signal device may be used to notify the on-site operator of the existence of mastitis. The housing comprises two funnel shaped pieces which are connected to each other by a hinge. The suction of the mechanical milking machine holds the two halves together during use. A valve is closed to retrieve the suction and accommodate opening the housing via the hinge. An overflow passageway is provided in the event the filter becomes clogged. This facilitates easy removal and replacement of the filter from time to time.

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1. A method of detecting mastitis in milk animals comprising the steps of continually filtering a stream of milk as it is derived from a given animal at a milking site prior to comingling the milk of said animal with the milk of another animal, collecting on a disposable filter at the filtering site clotted material, if any, indicating the existence of mastitis in said animal while entirely avoiding exposure of the milk of said animal to electrical conductivity, the mastitis accumulated on the filter at the filter site increasing the relative opacity of the filter, and optically detecting the presence and absence of mastitis on the filter at said filtering site so that the animal at each milking while at the milking site is known to be free of or in need of prompt treatment for mastitis. 2. A milking site mastitis detection system comprising: a milking machine system comprising vacuumized milk tank means, at least one teat-engaging milking means and hollow tube means by which the vacuum is communicated from the tank means to the milking means and by which milk derived from an animal at the milking means is communicated to the tank means; a mastitis detector disposed along and forming part of the flow path of the hollow tube means which avoids exposing the milk to electrical conductivity, the detector being located upstream of any comingling of milk from different animals, the mastitis detector being subject to the vacuum pressure of the milking machine system and comprising hollow housing means and milk filtering means within the housing means, the filtering means comprising a filter comprising material pervious to milk and impervious to mastitis particles wherein accumulation of mastitis particles on the filter at the filtering means increases the relative opacity thereof accommodating optical detection of said mastitis particles by examination of the filter at the filtering means as opposed to examination of the milk being displaced along the flow path, for instant identification of a specific infected animal, immediate segregation of the infected animal from the herd and prompt treatment of said animal thereby avoiding permanent mastitis damage to the udder of the infected animal and preventing other animals from contracting the disease. 3. A detection system according to claim 2 further comprising on/off valve means interposed between the mastitis detection and the milk tank means along the path of the vacuum so that when the valve is off, the interior of the mastitis detector is isolated from said vacuum. 4. A detection system according to claim 2 wherein the filtering means comprises a disposable replaceable filter element removably disposed within the housing means. 5. A detection system according to claim 2 wherein the housing means comprise shape retaining synthetic resinous material. 6. A detection system according to claim 2 wherein the housing means are substantially transparent. 7. A detection system according to claim 2 wherein the housing means comprise two hollow chambers separated by said filtering means, and one chamber comprising milk influent means and the other chamber comprising milk effluent means. 8. A detection system according to claim 7 wherein the two chambers are formed by oppositely directed essentially funnel shaped portions of said housing means. 9. A milking site mastitis detection system comprising: a milking machine system comprising vacuumized milk tank means, at least one teat-engaging milking means and hollow tube means by which the vacuum is communicated from the tank means to the milking means and by which milk derived from an animal at the milking means is communicated to the tank means; a mastitis detector which avoids exposing the milk to electrical conductivity interposed along the hollow tube means between the milking means and the tank means, upstream of any comingling of milk from different animals, the mastitis detector being subject to the vacuum pressure of the milking machine system and comprising hollow housing means and milk filtering means within the housing means, the filtering means comprising a material pervious to milk and impervious to mastitis particles wherein accumulation of mastitis particles at the filtering means increases the relative opacity thereof accommodating optical detection of said mastitis particles at the filtering means for instant identification of a specific infected animal, immediate segregation of the infected animal from the herd and prompt treatment of said animal thereby avoiding permanent mastitis damage to the udder of the infected animal and preventing other animals from contracting the disease; the housing means comprising two hollow chambers separated by said filtering means, and one chamber comprising milk influent means and the other chamber comprising milk effluent means, milk overflow passageway means spanning between said two chambers remote from the filtering means to accommodate flow of milk when and if the filtering means becomes clogged. 10. A milking site mastitis detection system comprising; a milking machine system comprising vacuumized milk tank means, at least one teat-engaging milking means and hollow tube means by which the vacuum is communicated from the tank means to the milking means and by which milk derived from an animal at the milking means is communicated to the tank means; a mastitis detection which avoids exposing the milk to electrical conductivity interposed along the hollow tube means between the milking means and the tank means, upstream of any comingling of milk from different animals, the mastitis detector being subject to the vacuum pressure of the milking machine system and comprising hollow housing means and milk filtering means within the housing means, the filtering means comprising a material pervious to milk and impervious to mastitis particles wherein accumulation of mastitis particles at the filtering means increases the relative opacity thereof accommodating optical detection of said mastitis particles at the filtering means for instant identification of a specific infected animal, immediate segregation of the infected animal from the herd and prompt treatment of said animal thereby avoiding permanent mastitis damage to the udder of the infected animal and preventing other animals from contracting the disease; light producing means disposed within the housing means on one side of the filtering means and light sensing means within the housing means on the other side of the filtering means for detecting changes in the relative opacity of the filtering means. 11. A detection system according to claim 10 wherein the housing means comprises at least two parts pivotably secured together by hinge means accommodating opening of one housing part relative to the other for visual inspection and to replace the filtering means. 12. A detection system according to claim 11 further comprising a compressable elastomeric vacuum seal interposed between the two housing parts. 13. A method of detecting mastitis in any one of several milk animals and simultaneously identifying the infected amimal comprising the steps of providing a separate filter site for each animal being milked at any point in time separately and continuously filtering the stream of milk as it is being derived from each animal at each of said filtering sites prior to comingling the milk of one animal with the milk of another animal, collecting at each filtering site clotted material, if any, indicating the existence of mastitis in the one animal being milked adjacent said filtering site while entirely avoiding exposure of the milk of any and all of the animals to electrical conductivity, the mastitis accumulated at any filtering site increasing the relative opacity of the filter at that site, and optically examining the opacity of each filter thereby detecting the presence and absence of mastitis on the filter at each filtering site so that each specific animal while at any said milking site is immediately known to be free of or in need of prompt treatment for mastitis. 14. A milking site mastitis detection system comprising: a milking machine system comprising vaccumized milk tank means, a plurality of teat-engaging milking means and a plurality of hollow tube means by which the vacuum is communicated from the tank means to each milking means and by which milk derived from several animals at the plurality of milking means is communicated to the tank means; a plurality of mastitis detectors one disposed along and forming part of the flow path of each hollow tube means which avoids exposing the milk to electrical conductivity, each detector being located upstream of any comingling of milk from different animals, each mastitis detector being subject to the vacuum pressure of the milking machine system and comprising hollow housing means and milk filtering means within the housing means, the filtering means comprising a disposable filter comprising material pervious to milk and impervious to mastitis particles wherein accumulation of mastitis particles on the filter at any filtering means increases the relative opacity thereof accommodating optical detection of said mastitis particles by examination of the filter at said filtering means as opposed to examination of the milk passing site, for instant identification of a specific infected animal, immediate segregation of the infected animal from the other animals and prompt treatment of said animal thereby avoiding permanent mastitis damage to the udder of the infected animal and preventing other animals from contracting the disease.

이 특허에 인용된 특허 (1)

Tamas Karoly (Kalocsa HUX) Voros Ferenc (Kaposvar HUX) Bedo Ilona (Budapest HUX). Process and equipment for machine milking to provide sterile milk free from blood and pus. USP1980024190020.

이 특허를 인용한 특허 피인용횟수: 21

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Apparatus for on-site detection of mastitis in milk animals

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Apparatus for on-site detection of mastitis in milk animals

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