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.)
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Dana Inc
Original Assignee
Dana Inc
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Filing date
Publication date
Application filed by Dana IncfiledCriticalDana Inc
Priority to ES1966130586UpriorityCriticalpatent/ES130586Y/en
Publication of ES130586UpublicationCriticalpatent/ES130586U/en
Application grantedgrantedCritical
Publication of ES130586YpublicationCriticalpatent/ES130586Y/en
A piston ring device, comprising rim means engaging the cylinder, and a coil spring of substantially uniform turn diameter that abuts externally against the inner periphery of said rim means, said spring comprising at least two helices that they have the same number of turns and are interlinked with each other, the force exerted by said spring on the ring means equal to the sum of the forces exerted by the respective propellers, whereby a maximum force for a coil diameter is obtained of predetermined spring and a maximum number of contact points with the ring means. (Machine-translation by Google Translate, not legally binding)
ES1966130586U1967-07-141967-07-14
A PISTON RING DEVICE.
ExpiredES130586Y
(en)
A mechanical system to transform the alternative axial movement of plungers, in rotary and vice versa, through a single piece in active movement (Machine-translation by Google Translate, not legally binding)