Patent ID: 7874316
Filing Date: 2011-01-25
Classification: F15B,F16K,Y10T

Abstract:
1. A purge gas unit comprising: an input block for input of purge gas into the purge gas unit; an output block for output of the purge gas from the purge gas unit, the output block including a first opening and a second opening formed opening one above the other in a side surface of the output block, and a communicating passage that connects the first and second openings in fluid communication to each other; a communication block attached to the input block and the output block placed on both sides of the communication block so that a space is provided between the communication block and a mounting surface; a flow sensor attached to an upper surface of the communication block to measure a flow rate of the purge gas that flows through the communication block; and an open/close control valve attached to the output block and placed in the space to communicate with the flow sensor through the communicating passage.