A switching valve module which is part of a switching valve control system for use with reciprocating slat-type conveyors is disclosed herein. Disclosed herein is a switching valve module that includes an inner control valve and an outer control valve. A spool is positioned within the inner control
A switching valve module which is part of a switching valve control system for use with reciprocating slat-type conveyors is disclosed herein. Disclosed herein is a switching valve module that includes an inner control valve and an outer control valve. A spool is positioned within the inner control valve and a spool positioned within the outer control valve. Movement of each the spool creates both a spool-type seal and a poppet-type seal between the spool and the respective control valve.
대표청구항▼
1. A switching valve module, comprising: (a) an inner control valve and an outer control valve; and(b) a spool positioned within said inner control valve and a spool positioned within said outer control valve;(c) wherein movement of each said spool creates both a spool-type seal and a poppet-type se
1. A switching valve module, comprising: (a) an inner control valve and an outer control valve; and(b) a spool positioned within said inner control valve and a spool positioned within said outer control valve;(c) wherein movement of each said spool creates both a spool-type seal and a poppet-type seal between the spool and the respective control valve. 2. The switching valve module of claim 1, said inner control valve and said outer control valve being controlled to change the conveying direction of a reciprocating slat conveyor between a load conveying direction and an unload conveying direction. 3. The switching valve module of claim 1, further comprising: (a) said inner control valve further comprising (i) an inner port with an inner bypass, said inner bypass intersecting said inner port;(ii) an inner control valve seat associated with said inner port;(iii) said spool-type seal forming when said spool positioned within said inner control covers said inner bypass; and(iv) said poppet-type seal forming when said spool positioned within said inner control engages said inner control valve seat; and(b) said outer control valve; (i) an outer port with an outer bypass, said outer bypass intersecting said outer port;(ii) an outer control valve seat associated with said outer port;(iii) said spool-type seal forming when said spool positioned within said outer control covers said outer bypass; and(iv) said poppet-type seal forming when said spool positioned within said outer control engages said outer control valve seat. 4. The switching valve module of claim 1, at least one of said inner control valve and said outer control valve having a remedial check valve. 5. The switching valve module of claim 1, said switching valve module for use with a reciprocating slat-type conveyor for loading and unloading a container, said reciprocating slat-type conveyor having a plurality of slats, said plurality of slats arranged side-by-side for conveying a load in one of a first operational direction and a second operational direction, said plurality of slats grouped in at least two sets of slats, each set of slats joined together for simultaneous reciprocative movement, said plurality of slats arranged in a plurality of groups, each group having at least one correspondingly positioned slat within each set of slats. 6. The switching valve module of claim 1, further comprising: (a) a first valve, a second valve, and a third valve;(b) a plurality of poppets, said plurality of poppets dividable into a first pair of poppets and a second pair of poppets;(c) said first valve controlling said plurality of poppets;(d) said second valve controlling which poppets are in said first pair of poppets and which poppets are in said second pair of poppets; and(e) said third valve controlling said inner control valve and said outer control valve to change the conveying direction of a reciprocating slat conveyor between a load conveying direction and an unload conveying direction. 7. A switching valve module for use with a reciprocating slat-type conveyor for loading and unloading a container, said reciprocating slat-type conveyor having a plurality of slats, said plurality of slats arranged side-by-side for conveying a load in one of a first operational direction and a second operational direction, said plurality of slats grouped in at least two sets of slats, each set of slats joined together for simultaneous reciprocative movement, said plurality of slats arranged in a plurality of groups, each group having at least one correspondingly positioned slat within each set of slats, said switching valve module comprising: (a) an inner control valve and an outer control valve;(b) a movable spool positioned within said inner control valve and a movable spool positioned within said outer control valve;(c) said inner control valve further comprising: (i) an inner port with an inner bypass, said inner bypass intersecting said inner port;(ii) an inner control valve seat associated with said inner port;(iii) a spool-type seal being formed when said movable spool positioned within said inner control covers said inner bypass; and(iv) a poppet-type seal being formed when said movable spool positioned within said inner control engages said inner control valve seat; and(d) said outer control valve further comprising: (i) an outer port with an outer bypass, said outer bypass intersecting said outer port;(ii) an outer control valve seat associated with said outer port;(iii) a spool-type seal being formed when said movable spool positioned within said outer control covers said outer bypass; and(iv) a poppet-type seal being formed when said movable spool positioned within said outer control engages said outer control valve seat. 8. The switching valve module of claim 7, said inner control valve and said outer control valve being controlled to change the conveying direction of a reciprocating slat conveyor between a load conveying direction and an unload conveying direction. 9. The switching valve module of claim 7, at least one of said inner control valve and said outer control valve having a remedial check valve. 10. The switching valve module of claim 7, further comprising: (a) a first valve, a second valve, and a third valve;(b) a plurality of poppets, said plurality of poppets dividable into a first pair of poppets and a second pair of poppets;(c) said first valve controlling said plurality of poppets;(d) said second valve controlling which poppets are in said first pair of poppets and which poppets are in said second pair of poppets; and(e) said third valve controlling said inner control valve and said outer control valve to change the conveying direction of a reciprocating slat conveyor between a load conveying direction and an unload conveying direction. 11. A switching valve module for use with a reciprocating slat-type conveyor for loading and unloading a container, said reciprocating slat-type conveyor having a plurality of slats, said plurality of slats arranged side-by-side for conveying a load in one of a first operational direction and a second operational direction, said plurality of slats grouped in at least two sets of slats, each set of slats joined together for simultaneous reciprocative movement, said plurality of slats arranged in a plurality of groups, each group having at least one correspondingly positioned slat within each set of slats, said switching valve module comprising: (a) a first valve, a second valve, and a third valve;(b) a plurality of poppets, said plurality of poppets dividable into a first pair of poppets and a second pair of poppets;(c) an inner control valve and an outer control valve;(d) said first valve controlling said plurality of poppets;(e) said second valve controlling which poppets are in said first pair of poppets and which poppets are in said second pair of poppets; and(f) said third valve controlling said inner control valve and said outer control valve to change the conveying direction of said reciprocating slat conveyor between a load conveying direction and an unload conveying direction. 12. The switching valve module of claim 11, wherein said switching valve module controls a multi-operating-mode reciprocating slat conveyor. 13. The switching valve module of claim 11, wherein said switching valve module is controlled based on input from a sensor module that provides information about the relevant position of said slats. 14. The switching valve module of claim 11, wherein said switching valve module is controlled based on input from an electronic control module that functions as a user interface. 15. The switching valve module of claim 11, wherein said switching valve module is controlled based on input from a sensor module that provides information about the relevant position of said slats, and based on input from an electronic control module that functions as a user interface. 16. The switching valve module of claim 11, wherein said plurality of poppets are to switch high volume flow of fluid to cylinders of said reciprocating slat conveyor, and said same plurality of poppets are used to block flow of fluid to the cylinders and open flow back to a tank and thereby turn said reciprocating slat-type conveyor off. 17. The switching valve module of claim 11, said inner control valve and said outer control valve each having a spool that creates both a spool-type seal and a poppet-type seal. 18. The switching valve module of claim 11, at least one of said inner control valve and said outer control valve having a remedial check valve.
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이 특허에 인용된 특허 (21)
Almond, Thomas Michael Price, Adaptable reciprocating slat conveyor.
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