Double-acting solenoid pump
First Claim
1. A DOUBLE-ACTING SOLENOID PUMP FOR IMMERSION IN FLUID TO BE PUMPED AND COMPRISING AN IMPERFORATE UNINTERRUPTED CYLINDER, A SOLID CYLINDRICAL FERROUS DOUBLE-ACTING PISTON HAVING IMPERFORATE OPPOSED END FACES AND RECIPROCABLE FREELY WITHIN SAID CYLINDER, SAID PISTON COMPRISING A SOLENOID ARMATURE, A PAIR OF SOLENOID COILS SURROUNDING THE EXTERIOR SURFACE OF AT LEAST THE OPPOSITE ENDS OF SAID CYLINDER FOR SUPPORT THEREBY AND SEPARATED FROM EACH OTHER BY INSULATING MEANS SURROUNDING THE INTERMEDIATE PORTION OF SAID CYLINDER, AN IMPERFORATE INNER CYLINDRICAL HOUSING EXTENDING BETWEEN AND ENCLOSING SAID COILS, SAID HOUSING BEING COAXIAL WITH SAID CYLINDER, AND THE OPPOSITE ENDS EXTENDING BEYOND THE ENDS OF SAID CYLINDER A LIMITED DISTANCE, AN OUTER CYLINDRICAL HOUSING SURROUNDING SAID INNER HOUSING IN RADIALLY SPACED RELATIONSHIP AND COAXIAL THEREWITH, UPPER AND LOWER HEADS THREADABLY CONNECTED TO THE RESPECTIVE UPPER AND LOWER ENDS OF SAID INNER AND OUTER HOUSINGS TO CONNECT THE SAME IN ASSEMBLED OPERATIVE POSITION, SAID HEADS BEING NO GREATER IN DIAMETER THAN SAID OUTER HOUSING, DISCHARGE PORT MEANS IN SAID UPPER HEAD CONNECTABLE TO A FLUID LINE ARRANGED TO RECEIVE FLUID THEREFROM FOR UNIDIRECTIONAL FLOW, INLET PORTS IN BOTH OF SAID HEADS COMMUNICATING WITH THE EXTERIOR OF SAID PUMP, VALVE MEANS AND PASSAGEWAYS IN SAID HEADS OPERABLE SEQUENTIALLY TO CONTROL AND DIRECT THE FLOW OF FLUID SUCCESSIVELY INWARDLY FROM THE INLET PORTS IN SAID HEADS FOR SEQUENTIAL FLOW INTO THE OPPOSITE ENDS OF SAID CHAMBER BY
0 Assignments
0 Petitions
Accused Products
17 Citations
1 Claim
-
1. A DOUBLE-ACTING SOLENOID PUMP FOR IMMERSION IN FLUID TO BE PUMPED AND COMPRISING AN IMPERFORATE UNINTERRUPTED CYLINDER, A SOLID CYLINDRICAL FERROUS DOUBLE-ACTING PISTON HAVING IMPERFORATE OPPOSED END FACES AND RECIPROCABLE FREELY WITHIN SAID CYLINDER, SAID PISTON COMPRISING A SOLENOID ARMATURE, A PAIR OF SOLENOID COILS SURROUNDING THE EXTERIOR SURFACE OF AT LEAST THE OPPOSITE ENDS OF SAID CYLINDER FOR SUPPORT THEREBY AND SEPARATED FROM EACH OTHER BY INSULATING MEANS SURROUNDING THE INTERMEDIATE PORTION OF SAID CYLINDER, AN IMPERFORATE INNER CYLINDRICAL HOUSING EXTENDING BETWEEN AND ENCLOSING SAID COILS, SAID HOUSING BEING COAXIAL WITH SAID CYLINDER, AND THE OPPOSITE ENDS EXTENDING BEYOND THE ENDS OF SAID CYLINDER A LIMITED DISTANCE, AN OUTER CYLINDRICAL HOUSING SURROUNDING SAID INNER HOUSING IN RADIALLY SPACED RELATIONSHIP AND COAXIAL THEREWITH, UPPER AND LOWER HEADS THREADABLY CONNECTED TO THE RESPECTIVE UPPER AND LOWER ENDS OF SAID INNER AND OUTER HOUSINGS TO CONNECT THE SAME IN ASSEMBLED OPERATIVE POSITION, SAID HEADS BEING NO GREATER IN DIAMETER THAN SAID OUTER HOUSING, DISCHARGE PORT MEANS IN SAID UPPER HEAD CONNECTABLE TO A FLUID LINE ARRANGED TO RECEIVE FLUID THEREFROM FOR UNIDIRECTIONAL FLOW, INLET PORTS IN BOTH OF SAID HEADS COMMUNICATING WITH THE EXTERIOR OF SAID PUMP, VALVE MEANS AND PASSAGEWAYS IN SAID HEADS OPERABLE SEQUENTIALLY TO CONTROL AND DIRECT THE FLOW OF FLUID SUCCESSIVELY INWARDLY FROM THE INLET PORTS IN SAID HEADS FOR SEQUENTIAL FLOW INTO THE OPPOSITE ENDS OF SAID CHAMBER BY
Specification
-
- Resources
-
Current AssigneeLee R. Stark, Wayne V. Blackwell
-
Original AssigneeLee R. Stark, Wayne V. Blackwell
-
InventorsBlackwell, Wayne V., Stark, Lee R.
-
Application NumberUS04/421,581Time in Patent Office673 DaysField of SearchUS Class Current417/418CPC Class CodesF04B 17/044 using solenoids directly ac...F04B 5/02 with double-acting pistonsF04B 53/10 Valves; Arrangement of valves
