Patent attributes
A flow measuring device includes an intake portion configured to be connected to an ejecting portion, one or more gas lines each of which is connected to the intake portion and in which gas ejected from the ejecting portion flows, one or more flow meters each of which is configured to measure a flow rate of gas that flows through corresponding one of the one or more gas lines, at least one resisting member configured to provide resistance to flow of gas in at least one of the one or more gas lines, a main body portion which includes one or more supported portions each configured to be supported by the support member, the main body portion being configured to support the intake portion, the one or more gas lines, the one or more flow meters, and the at least one resisting member. The magnitude of the resistance provided by the at least one resisting member is adjustable.
