Clutches with control valve
First Claim
1. IN COMBINATION A CONTROL VALUE ASSEMBLY COMPRISING AN ELONGATED BODY HAVING A LONGITUDINAL EXTENDING BORE THEREIN, INLET AND OUTLET PORTS IN SAID BODY WHICH COMMUNICATE WITH SAID BORE, AN ACTUATING ROD SLIDABLY DISPOSED IN SAID BORE, SAID ROD INCLUDING A SPOOL SLIDABLY MOUNTED THEREIN AND ACTUABLE BETWEEN THREE POSITIONS, A NEUTRAL POSITION, A FIRST CLUTCH ACTUATING POSITION, AND A SECOND CLUTCH ACTUATING POSITION, A PAIR OF SPRINGS MOUNTED ABOUT SAID ROD AND SPACED APART BY SAID INNER SPOOL, PISTON MEMBERS SLIDABLY MOUNTED ON SAID ROD IN ABUTTING RELATION TO THE OUTER END OF SAID SPRINGS, MEANS ADJACENT THE ENDS OF SAID ROD FOR RETAINING SAID POSITIONS IN ABUTING RELATION TO SAID SPRINGS, ONE OF SAID OUTLET PORTS BEING LOCATED ABOUT SAID INNER SPOOL WHEN SAID SPOOL IS POSITIONED IN SAID NEUTRAL POSITION, SAID PISTONS AND SAID SPOOL BEING OF THE SAME DIAMETER AS SAID BORE, SAID INLET HAVING A BRANCH PASSAGE EXTENDING TO A PORT ABOUT ONE OF SAID INLET, A SECOND OTHER OF SAID PISTONS BEING LOCATED IN SAID INLET, A SECOND OUTLET PORT CONNECTED TO SAID BORE IN SPACED RELATION TO SAID FIRST OUTLET, A THIRD OUTLET PORT CONNECTED TO SAID BORE IN SPACED RELATION TO SAID FIRST OUTLET AND ON THE OUTLET SIDE
1 Assignment
0 Petitions
Accused Products
13 Citations
1 Claim
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1. IN COMBINATION A CONTROL VALUE ASSEMBLY COMPRISING AN ELONGATED BODY HAVING A LONGITUDINAL EXTENDING BORE THEREIN, INLET AND OUTLET PORTS IN SAID BODY WHICH COMMUNICATE WITH SAID BORE, AN ACTUATING ROD SLIDABLY DISPOSED IN SAID BORE, SAID ROD INCLUDING A SPOOL SLIDABLY MOUNTED THEREIN AND ACTUABLE BETWEEN THREE POSITIONS, A NEUTRAL POSITION, A FIRST CLUTCH ACTUATING POSITION, AND A SECOND CLUTCH ACTUATING POSITION, A PAIR OF SPRINGS MOUNTED ABOUT SAID ROD AND SPACED APART BY SAID INNER SPOOL, PISTON MEMBERS SLIDABLY MOUNTED ON SAID ROD IN ABUTTING RELATION TO THE OUTER END OF SAID SPRINGS, MEANS ADJACENT THE ENDS OF SAID ROD FOR RETAINING SAID POSITIONS IN ABUTING RELATION TO SAID SPRINGS, ONE OF SAID OUTLET PORTS BEING LOCATED ABOUT SAID INNER SPOOL WHEN SAID SPOOL IS POSITIONED IN SAID NEUTRAL POSITION, SAID PISTONS AND SAID SPOOL BEING OF THE SAME DIAMETER AS SAID BORE, SAID INLET HAVING A BRANCH PASSAGE EXTENDING TO A PORT ABOUT ONE OF SAID INLET, A SECOND OTHER OF SAID PISTONS BEING LOCATED IN SAID INLET, A SECOND OUTLET PORT CONNECTED TO SAID BORE IN SPACED RELATION TO SAID FIRST OUTLET, A THIRD OUTLET PORT CONNECTED TO SAID BORE IN SPACED RELATION TO SAID FIRST OUTLET AND ON THE OUTLET SIDE
Specification
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- Resources
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Current AssigneeDonald W. Longshore
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Original AssigneeDonald W. Longshore
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InventorsLongshore, Donald W.
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Application NumberUS04/476,597Time in Patent Office834 DaysField of SearchUS Class Current192/48.601CPC Class CodesF15B 13/06 for use with two or more se...F16D 2048/0209 characterised by fluid valv...F16D 2048/0221 Valves for clutch control s...F16D 2048/0224 Details of conduits, connec...F16D 2500/50239 Soft clutch engagementF16D 2500/5118 MaintenanceF16D 48/0206 in a system with a pluralit...F16H 59/045 consisting of fluid valvesF16K 11/0716 with fluid passages through...
