Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolls Royce PLCfiledCriticalRolls Royce PLC
Priority to ES0253549ApriorityCriticalpatent/ES253549A1/en
Publication of ES253549A1publicationCriticalpatent/ES253549A1/en
An annular valve device comprising an annular valve member mounted with movement of a cylindrical casing by means of levers hinged to the casing, the valve member adapted to cooperate in sealing contact with an annular seat associated with the casing, forming the axis of rotation of each lever right angle with the plane containing the arc of rotation of the lever. (Machine-translation by Google Translate, not legally binding)
ES0253549A1959-11-191959-11-19An annular valve device (Machine-translation by Google Translate, not legally binding)
ExpiredES253549A1
(en)
Improvements in the construction of electrical distribution appliances of explosive gases (Machine-translation by Google Translate, not legally binding)