Capacitive liquid leak detection device
AssigneeHaskel International, LLC
InventorsPooya Mahmoudian, Richard Gillberg, Jr.
Life of this patent
Estimating the term…
Abstract
A liquid leak detector for a pump is described. The liquid leak detector is mountable on a pump to detect leaked fluid coming from the pump. The leak detector includes a buffer tube positioned on the pump to collect a leaked fluid from the pump and a sensor positioned on the buffer tube to detect the level of leaked fluid in the buffer tube and to generate a signal when the leaked fluid reaches a maximum fluid level. A purge line on the buffer tube removes leaked drive fluid from the buffer tube once the leaked drive fluid reaches a maximum level. Logic connected to the sensor receives the signal from the detector and generates an alarm.
Claims20
A method of detecting a leaked drive fluid in a pump comprising:
- collecting, in a leak detector positioned in or on a seal adaptor, drive fluid leaked from a drive of the pump, wherein the seal adaptor connects a pump cylinder to a drive housing that includes the drive, and a channel extends from the leak detector through the seal adaptor and is separate from a pump chamber defined by the pump cylinder, so that the channel is configured to direct the leaked drive fluid that is leaking from the drive adjacent the seal adaptor toward the leak detector and prevent the leaked drive fluid from entering the pump chamber defined by the pump cylinder;
- defining a maximum level of the leaked drive fluid in the leak detector;
- sensing when the leaked drive fluid reaches the maximum level;
- and
- generating an alarm when the leaked drive fluid reaches the maximum level.
A method of detecting a leaked drive fluid in a pump comprising:
- collecting, in a buffer tube positioned in or on a pump cylinder, drive fluid leaked from a drive of the pump, wherein the pump cylinder comprises a seal adaptor that connects the pump cylinder to a drive housing that includes the drive, and a channel extends from the buffer tube into a portion of the pump cylinder and is offset from a pump chamber defined by the pump cylinder, so that the channel is configured to direct the leaked drive fluid that is leaking from the drive adjacent the seal adaptor toward the buffer tube and prevent the leaked drive fluid from entering the pump chamber defined by the pump cylinder;
- defining a maximum level of the leaked drive fluid in the buffer tube by positioning a purge line on the buffer tube;
- sensing, with a sensor, when the leaked drive fluid reaches the maximum level;
- and
- generating an alarm when the leaked drive fluid reaches the maximum level.
A method of detecting a leaked drive fluid in a pump comprising:
- collecting drive fluid leaked from a drive of the pump in a buffer tube positioned in or on a seal adaptor that connects a pump cylinder to a drive housing that includes the drive, so that the buffer tube may capture the leaked drive fluid that is leaking from the drive adjacent the seal adaptor and prevent the leaked drive fluid from entering a pump chamber of the pump cylinder;
- defining a maximum level of the leaked drive fluid in the buffer tube by positioning a purge line on the buffer tube;
- sensing, with a sensor, when the leaked drive fluid reaches the maximum level;
- generating an alarm when the leaked drive fluid reaches the maximum level;
- and
- adjusting the maximum level by adjusting a position of the purge line on the buffer tube.
Dependencies are inferred from the claim text.