최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0974206 (2015-12-18) |
등록번호 | US-9568005 (2017-02-14) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 685 |
A discharge vacuum relief valve kit to provide vacuum relief for a SVRS pump in a hydraulic system is provided. The discharge vacuum relief valve kit includes a vacuum vent tube including a first end and a second end, a discharge vacuum relief valve coupled to the first end of the vacuum vent tube,
A discharge vacuum relief valve kit to provide vacuum relief for a SVRS pump in a hydraulic system is provided. The discharge vacuum relief valve kit includes a vacuum vent tube including a first end and a second end, a discharge vacuum relief valve coupled to the first end of the vacuum vent tube, and a vacuum vent screen coupled to the second end of the vacuum vent tube. The discharge vacuum relief valve is coupled to a drain plug opening of the SVRS pump.
1. A method of providing discharge vacuum relief for a safety vacuum release system pump in a hydraulic system with discharge check valves, the method comprising: providing a discharge vacuum relief valve kit including a vacuum vent tube with a first end and a second end, a discharge vacuum relief v
1. A method of providing discharge vacuum relief for a safety vacuum release system pump in a hydraulic system with discharge check valves, the method comprising: providing a discharge vacuum relief valve kit including a vacuum vent tube with a first end and a second end, a discharge vacuum relief valve coupled to the first end of the vacuum vent tube, and a vacuum vent screen coupled to the second end of the vacuum vent tube;coupling the discharge vacuum relief valve to a drain plug opening of the safety vacuum release system pump;monitoring input power to the safety vacuum release system pump to detect a vacuum event on a suction side of the safety vacuum release system pump;shutting down the safety vacuum release system pump when the vacuum event is detected on the suction side in order to relieve the vacuum event;monitoring pressure on a discharge side of the safety vacuum release system pump; andventing the discharge side of the safety vacuum release system pump when a vacuum is detected on the discharge side to prevent delayed response time in relieving the vacuum event on the suction side. 2. The method of claim 1 further comprising detecting a vacuum on the discharge side when the monitored pressure is about 1.5 pounds per square inch. 3. The method of claim 1 further comprising monitoring the pressure with the discharge vacuum relief valve and opening the discharge vacuum relief valve when the vacuum is detected in order to vent the discharge side. 4. The method of claim 1 further comprising positioning a free end of the vacuum vent tube above all bodies of water in the hydraulic system. 5. The method of claim 1, wherein the vacuum vent screen includes a polyvinyl chloride base and a stainless steel mesh screen. 6. The method of claim 1, wherein the step of monitoring at least input power to the safety vacuum release system pump to detect a vacuum event includes monitoring a change in input power. 7. A method of providing discharge vacuum relief for a safety vacuum release system pump in a hydraulic system with discharge check valves, the method comprising: providing a vacuum vent tube with a first end and a second, free end;coupling a discharge vacuum relief valve to the first end of the vacuum vent tube;routing the vacuum vent tube upward from its first end so that its second, free end is above a maximum water level in all bodies of water in the hydraulic system;coupling a vacuum vent screen to the second end of the vacuum vent tube; andventing the safety vacuum release system pump when a vacuum is detected. 8. The method of claim 7, wherein the discharge vacuum relief valve is coupled to the first end of the vacuum vent tube by a compression fit. 9. The method of claim 7, wherein the vacuum vent tube is routed upward from its first end so that its second end is above all bodies of water connected to the pump. 10. The method of claim 7 further comprising coupling the discharge vacuum relief valve to a drain plug opening of the safety vacuum release system pump. 11. The method of claim 7 further including the steps of monitoring input power to the safety vacuum release system pump to detect a vacuum event on a suction side of the safety vacuum release system pump, shutting down the safety vacuum release system pump when the vacuum event is detected on the suction side in order to relieve the vacuum event, monitoring pressure on a discharge side of the safety vacuum release system pump, and venting the discharge side of the safety vacuum release system pump when a vacuum is detected on the discharge side to prevent delayed response time in relieving the vacuum event on the suction side. 12. The method of claim 11, wherein the step of monitoring at least input power to the safety vacuum release system pump to detect a vacuum event includes monitoring a change in input power. 13. A method of providing discharge vacuum relief for a safety vacuum release system pump in a hydraulic system with discharge check valves, the method comprising: providing a vacuum vent tube with a first end, a second, free end, and a discharge vacuum relief valve coupled to the first end of the vacuum vent tube;routing the vacuum vent tube upward from its first end so that its second, free end is above a maximum water level in all bodies of water in the hydraulic system; andventing the safety vacuum release system pump when a vacuum is detected. 14. The method of claim 13, wherein the discharge vacuum relief valve is coupled to the first end of the vacuum vent tube by a compression fit. 15. The method of claim 13, wherein the vacuum vent tube is routed upward from its first end so that its second end is above all bodies of water connected to the pump. 16. The method of claim 13, further comprising the step of coupling the discharge vacuum relief valve to a drain plug opening of the safety vacuum release system pump. 17. The method of claim 13, further including the steps of monitoring input power to the safety vacuum release system pump to detect a vacuum event on a suction side of the safety vacuum release system pump, shutting down the safety vacuum release system pump when the vacuum event is detected on the suction side in order to relieve the vacuum event, monitoring pressure on a discharge side of the safety vacuum release system pump, and venting the discharge side of the safety vacuum release system pump when a vacuum is detected on the discharge side to prevent delayed response time in relieving the vacuum event on the suction side. 18. The method of claim 17, wherein the step of monitoring at least input power to the safety vacuum release system pump to detect a vacuum event includes monitoring a change in input power.
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