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Priority to ES0073895UpriorityCriticalpatent/ES73895Y/en
Publication of ES73895UpublicationCriticalpatent/ES73895U/en
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Publication of ES73895YpublicationCriticalpatent/ES73895Y/en
Regulating valve of the gas passage, with economizer device, characterized in that it comprises a rotating part provided with a flat face in which there is a groove in arc of circumference faceable with spaced ports, connected to the ends of the gas circuit, formed in a corresponding surface of the valve body, whose groove is permanently connected to one of the gas conduits by a restricted passage, while the port of the same conduit extends in a circumferential groove, facing the groove of the plate and of decreasing cross section in the closing direction of the latter, said plate being associated with an adjustable stop that limits its rotation in the opening direction. (Machine-translation by Google Translate, not legally binding)
ES0073895U1959-05-121959-05-12
Gas flow regulating valve with economizer device
ExpiredES73895Y
(en)
Perfecconamientos in patent number 233396, some improvements introduced in the valves of step (Machine-translation by Google Translate, not legally binding)