08-03-2018 дата публикации
Номер: US20180066766A1
Принадлежит:
A fluid transfer device includes a high-pressure pipe and a control unit. The high-pressure pipe is based on a Venturi tube, and includes an inlet at an end and an outlet at another end. The high-pressure pipe is connected to a container via a negative-pressure pipe and a positive-pressure pipe. The inlet is connected to a pressurized air source. The control unit is used to control opening and closing of the outlet. 110201010011129014151120. A fluid transfer device comprising a high-pressure pipe () and a control unit () , wherein the high-pressure pipe () is based on a Venturi tube () , made with an inlet () at an end and an outlet () at another end , and connected to a container () via a negative-pressure pipe () and a positive-pressure pipe () , the inlet () is connected to a pressurized air source , and the control unit () comprises:{'b': 21', '12', '22, 'a joint () connected to the outlet () and made with a space ();'}{'b': 31', '21, 'claim-text': {'b': 32', '22, 'claim-text': [{'b': 34', '22, 'a channel () axially made therein and in communication with the space (); and'}, {'b': 35', '32', '34', '35', '21', '12', '31', '35', '21', '12', '31, 'at least one vent () in periphery of the plunger () and in communication with the channel (), wherein the vent () is completely in the joint () and the outlet () is closed when the switch () is in the closing position, the vent () is in communication with exterior of the joint () and the outlet () is opened when the switch () is in the opening position;'}, {'b': 33', '32', '21, 'an enlarged section () formed at an end of the plunger () and located out of the joint (); and'}, {'b': 31', '21', '31, 'a confining unit for keeping the switch () on the joint () when the switch () is in the opening position; and'}], 'a plunger () extending in the space (), and comprising, 'a switch () movable relative to the joint () between a closing position and an opening position, and comprising{'b': '50', 'claim-text': [{'b': 51', '33, 'a ...
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