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.)
Expired
Application number
GB1116820A
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.)
David Auld & Sons Ltd
Original Assignee
David Auld & Sons Ltd
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 David Auld & Sons LtdfiledCriticalDavid Auld & Sons Ltd
Priority to GB1116820ApriorityCriticalpatent/GB165984A/en
Publication of GB165984ApublicationCriticalpatent/GB165984A/en
165,984. Auld & Sons, Ltd., D., and Rose, D. April 22, 1920. Toothed gears; oscillating disc and cylindrical valves.-Disc or cylindrical oscillating distributing-valves A, B, each controlling the admission and exhaust of a cylinder of a duplex steam pump, air compressor, &c., are actuated by means of toothed quadrants a, b carried by or formed on the valve, and which engages racks c, d mounted on spindles e carrying tappets f, g, j, k actuated by the cross-heads h, l of the adjacent cylinders.
GB1116820A1920-04-221920-04-22Improvements in valve gear for direct acting duplex steam engines
ExpiredGB165984A
(en)