(under the class definition) Apparatus in which upon start of the device an interval of time elapses after which the working member of the device produces work, the interval of time being the time required for working chamber parts responding to a condition of operation of the device to assume or acquire a normal working or sealing relationship to overcome a working fluid bypass condition present upon starting the device.
SEE OR SEARCH CLASS
417, Pumps,
279+, for expansible chamber devices having condition
