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1. 发明授权

US4811862A Unified assembly for control of fluid flow and a liquid dispensing system which includes such an assembly 失效
标题翻译：用于控制流体流动的统一组装和包括这种组件的液体分配系统
公开(公告)号：US4811862A
公开(公告)日：1989-03-14
申请号：US186614
申请日：1988-04-27
申请人： Brian R. Rutty , John J. Walshe
发明人： Brian R. Rutty , John J. Walshe
IPC分类号： F16K21/00 , B67D1/12 , F04B49/00
CPC分类号： B67D1/1243
摘要： A liquid dispensing system and a unified assembly for control of fluid flow in such a system has a container 1 from which liquid such as beer is drawn by an electrically controlled pump 2 to be supplied through a unified assembly 4 to a dispensing tap 5. The assembly 4 has an inlet 6 which communicates through a pressure biased non-return valve 8 with a high pressure chamber 9 and an outlet 11 to the tap 5. A piston 14 responds to high pressure in the chamber 9 to be displaced and pivot a rocking lever 26 to operate a microswitch 28 which is normally closed to operate the pump 2 but is opened in response to said displacement of the piston 14 to deactivate the pump 2. A low pressure chamber 35 communicates with the inlet passage 6 and the pressure of liquid in the system expands the chamber 35 to maintain a plunger 38 against its spring biasing. Upon entry of froth or foam into the passage 6 the low pressure thereof permits the chamber 35 to contract under the spring biasing of plunger 38 and displacement of the latter pivots the rocking lever 26 to open the microswitch 28 and deactivate the pump 2. With froth or foam in the passage 6 a normally closed bleed valve 48 is manually displaced to open communication between passage 6 and bleed outlet 47. Displacement of the valve 48 abuts and displaces the plunger 38 against its spring biasing to relieve pressure of the plunger on the rocking lever 26 so that the microswitch 28 reverts to its normal closed condition to operate pump 2 which can draw liquid from a fresh supply to displace the froth or foam from the passage 6 through the bleed outlet 47 and prime said passage with liquid for further dispensing when the bleed valve 48 reverts to its normal closed condition.

2. 发明授权

US5062548A Beverage dispensing system 失效
标题翻译：饮料分配系统
公开(公告)号：US5062548A
公开(公告)日：1991-11-05
申请号：US649112
申请日：1991-01-28
申请人： John B. Hedderick , Brian R. Rutty , David G. Page , John J. Walshe
发明人： John B. Hedderick , Brian R. Rutty , David G. Page , John J. Walshe
IPC分类号： B67D1/00 , B67D1/04 , B67D1/08 , B67D1/10 , B67D1/12 , B67D1/14
CPC分类号： B67D1/1275 , B67D1/0004 , B67D1/0071 , B67D1/08 , B67D1/0802 , B67D1/10 , B67D1/12 , B67D1/14 , B67D2001/0487 , B67D2001/0824 , Y10S261/07 , Y10T137/2984
摘要： A beverage dispensing system has a valve in a tap controlling dispensing of the beverage through a first passage from a second rigid or flexible container. Air, nitrogen (or other inert gas) or carbon dioxide gas from a passage is introduced into the beverage in the first passage during dispensing for development of a head of froth. The introduced gas flows under pressure (which is preferably adjustable) from the second passage and by way of a capilliary tube restrictor and a non return valve communicating with the tube into the beverage in the first passage. The non return valve has a resilient diaphragm which normally closes that valve and is displaceable under gas pressure to admit the gas to the beverage. A labyrinthine mixer is located in the first passage downstream of the position where the gas is introduced.
摘要翻译：饮料分配系统具有抽头中的阀，其通过来自第二刚性或柔性容器的第一通道来控制饮料的分配。来自通道的空气，氮气（或其它惰性气体）或二氧化碳气体在分配期间被引入第一通道中的饮料中，用于开发泡沫头。引入的气体在压力（其优选地可调节）下从第二通道流出，并且通过毛细管限流器和与管连通的止回阀进入第一通道中的饮料。止回阀具有弹性膜片，其通常关闭该阀并且在气体压力下可置换以允许气体进入饮料。迷宫式混合器位于引入气体的位置下游的第一通道中。

3. 发明授权

US4818444A Fluid pressure control valve and a system which includes such a valve 失效
标题翻译：流体压力控制阀和包括这种阀的系统
公开(公告)号：US4818444A
公开(公告)日：1989-04-04
申请号：US187273
申请日：1988-04-28
申请人： John B. Hedderick , Brian R. Rutty , John J. Walshe
发明人： John B. Hedderick , Brian R. Rutty , John J. Walshe
IPC分类号： B01F15/04 , B67D1/12 , B67D1/14 , G05D11/03
CPC分类号： B67D1/1252 , B67D1/14 , Y10T137/2514 , Y10T137/7737 , Y10T137/7905 , Y10T137/7906
摘要： A fluid pressure control valve and a fluid control system (such as for beverage dispensing) with such a valve has a beverage passage 3, pressure fluctuations in which are detected by a diaphragm 17 to displace a sensing member 15 axially against spring loading 23. Spring 23 reacts on thrust member 22 which is adjustable axially through a cam mechanism 25/26 to vary the biasing force of spring 23. A valve member 20 spring loaded at 21 relative to thrust member 15 normally closes an exhaust port 19 to an air or other gas passage 5 through which gas passes under pressure to be injected into the beverage from passage 3. An increase in beverage pressure in passage 3 displaces sensing member 15 to increase the spring biasing 21 on the closure member 20 and reduce the proportion of air which can escape to atmosphere from passage 5 through exhaust port 19 to provide an increase in air flow into the beverage. A reduction of pressure in passage 3 reduces the spring biasing 21 to permit a greater proportion of air to escape from passage 5 through exhaust port 9 and thereby reduce the proportion of air which is introduced into the beverage. The control valve can include a temperature sensitive unit responsive to temperature of beverage in passage 3 and which reacts to adjust the force of biasing spring 21 independently of pressure in the passage 3. Plunger 51 can be depressed manually to close the exhaust port 19 temporarily and thereby maintain maximum air pressure in the passage 5.

4. 发明授权

US5634501A Disinfection of containers 失效
标题翻译：容器消毒
公开(公告)号：US5634501A
公开(公告)日：1997-06-03
申请号：US256658
申请日：1994-11-23
申请人： John J. Walshe
发明人： John J. Walshe
IPC分类号： A61L2/24 , B08B3/00 , B08B3/12 , B08B9/20 , B65B55/06 , B08B9/00
CPC分类号： A61L2/24 , B08B3/00 , B08B3/12 , B08B9/20 , B65B55/06 , Y10T137/4266
摘要： A method and related apparatus for monitoring steam conditions in a container, such as a beer keg, during disinfection, usually in a washer/racker. Temperature and pressure are taken repeatedly within the container during the disinfection process. Resulting temperature and pressure values are inputted to a data processor. The data processor establishes automatically whether the measured temperature and pressure values correspond to desired steam conditions within the container. These conditions are at, or within a predetermined tolerance from, a phase boundary between steam and water. An output is provided which includes a direct indication of whether the desired conditions are or have been met for measuring pairs of temperature and pressure values.
摘要翻译： PCT No.PCT / GB93 / 00089 Sec。 371日期1994年11月23日 102（e）1994年11月23日日期PCT 1993年1月15日PCT公布。公开号WO93 / 13880 PCT 日期1993年7月22日一种用于在消毒期间通常在洗衣机/绞肉机中监测容器（例如啤酒桶）中的蒸汽条件的方法和相关装置。在消毒过程中，容器内重复接受温度和压力。所得到的温度和压力值被输入到数据处理器。数据处理器自动建立测量的温度和压力值是否对应于容器内所需的蒸汽条件。这些条件处于或在蒸汽和水之间的相界面的预定公差之内。提供了一种输出，其包括对于测量温度和压力值对是否满足期望条件的直接指示。

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