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1. (WO2017019904) PREACTION SPRINKLER VALVE ASSEMBLIES, RELATED DRY SPRINKLER DEVICES AND FIRE PROTECTION SPRINKLER SYSTEMS
Anmerkung: Text basiert auf automatischer optischer Zeichenerkennung (OCR). Verwenden Sie bitte aus rechtlichen Gründen die PDF-Version.

CLAIMS

1. A thermal trigger assembly 10 configured for remote mechanical actuation of another fire protection system component 16, 20, 120, 920, 1120, 1220 the thermal trigger assembly comprising:

an activation component 12, 60, 160, 960, 1 160 including a base 62, 962, 1 162, a movable member 64, 964 movable with respect to the base, a bias member 661ocated with respect to the base to bias the movable member from a preactivation position with respect to the base to an activated position with respect to the base, and a thermally responsive element 68, 1 168, retaining the movable member in the preactivation position only until a predetermined thermodynamic condition is reached, the thermally responsive element being configured to lose structural integrity under the predetermined thermodynamic condition; and

a flexible connector 14, 50, 150, 1050, 1 150, 1250 including at least a flexible hollow outer cable housing 52,152, 1052, 1 152, 1252 with a first end 52a, 152a, 1052a, 1152a, 1252a configured to be stationarily connected with the other component and a second end 52b, 152b, 1 152b, configured to be stationarily connected with the base 62, 962, 1 162 and a flexible cable 54, 154, 1054, 1 154, 1254 slidably located inside the flexible hollow outer cable housing for only sliding movement within the outer cable housing and having a first end 54a, 154a, 1054a, 1 154a, 1254a and a second end 54b, 154b, 1 154b configured to be stationarily connected with the movable member so as to be moved with respect to the flexible hollow outer cable housing by movement of the movable member with loss of structural integrity by the thermally responsive element at the predetermined thermodynamic condition.

2. The thermal trigger assembly of claim 1 wherein the first end of the flexible hollow outer cable housing is configured for fixed connection with the other fire protection component and the first end of the flexible cable is configured for mechanical connection with a movable part 32, 132, 1030, 1 194?, of the other fire protection component.

3. The thermal trigger assembly of claim 1 wherein the thermally responsive element is one of an alcohol filled glass bulb 68 and a fusible link 1 168.

4. The thermal trigger assembly of claim 1 further comprising a switch 969 mounted on the activation component 960 so as to change states with movement of the movable member 964.

5. The thermal trigger assembly of claim 1 in combination with the other fire protection component.

6. The combination of claim 5 wherein the other fire protection component 16 is one of a switch and a relay.

7. The combination of claim 5 wherein the other fire protection component is a valve 20, 120, , 920, 1120.

8. The combination of claim 7 wherein the valve is either a poppet valve 120, 920, 1 120 or a clapper valve 20.

9. The combination of claim 8 wherein the valve has a body 22, 122, 922, 1122 with an inlet 25, 125, 925, at least one outlet 27, 127, 927a, 927b and a fluid passageway 29, 129, 939 between the inlet and each outlet, a seal member 28, 128 supportable across the passageway to close the passageway by a pivotally mounted lever 30, 130, the seal member being supported across the passageway in a sealing position by a latch 32, 132 engaged with the lever, the flexible cable having a first end 54a, 154a, 1054a, 1 154a, 1254a mechanically coupled with the latch for movement of the latch with respect to the lever by movement of the first end of the flexible cable.

10. The combination of claim 9 wherein the valve 920 has two outlets 927a, 927b fluidly connected with the inlet 925 by the passageway 929.

1 1. The combination of claim 9 further comprising a mechanism 1010, 1 190, 1290 between the first end 154a, 1054a, 1 154a, 1254a of the flexible cable 154, 1050, 1 154, 1250 and the latch mechanically coupling the first end of the flexible cable with the latch.

12. The combination of claim 1 1 wherein the mechanism 1010, 1 190, 1290 includes at least one of a plunger 1022 and a crank 1 192, 1292.

13. The combination of claim 9 further comprising at least one of a fire sprinkler 80, 80', 180,180' and another valve 120' fluidly coupled with the outlet of the valve.

14. A dry sprinkler device comprising:

a valve 20, 120, 920, 1120 having a body 22, 122, 922, 1122 with an inlet 24, 124, 924, at least one outlet 26, 126, 926a, 926b and a fluid passageway 29, 129, 939 connecting the inlet with each outlet, a seal member 28, 128 supportable across the passageway to close the passageway by a pivotally mounted lever 30, 130, the seal member being supported across the passageway in a sealing position by a latch 32, 132 releasably engaged with the lever;

an activation component 12, 60, 160, 960, 1 160 including a base 62, 962, 1162, a movable member 64, 964 movable with respect to the base, a bias member 661ocated with respect to the base to bias the movable member from a preactivation position with respect to the base to an activated position with respect to the base, and a thermally responsive element 68, 1 168 retaining the movable member in the preactivation position only until a predetermined thermodynamic condition is reached, the thermally responsive element 68, 1 168being configured to lose structural integrity at the predetermined thermodynamic condition;

a flexible connector 14, 50, 150, 1050, 1 150, 1250 including at least a flexible hollow outer cable housing 52,152, 1052, 1 152, 1252 having a first 52a, 152a, 1052a, 1 152a, 1252a end configured to be stationarily connected with the body and a second 52b, 152b, 1 152b end configured to be stationarily connected with the base, and a flexible cable 54, 154, 1054, 1 154, 1254 located inside the flexible hollow outer cable housing and sized for only sliding movement within the outer cable housing, the flexible cable having a first 54a, 154a, 1054a, 1 154a, 1254a end mechanically connected with the latch and a second 54b, 154b, 1 154b end engaged with the movable member to move with the movable member; and

at least one water distribution device 80, 180 fluidly coupled with the at least one outlet.

15. The dry sprinkler device of claim 14 wherein at least one water distribution device is either an automatic fire sprinkler 80, 180 with a thermally responsive element 88 and plug 89 or an open fire sprinkler lacking a thermally responsive element and plug.

16. The dry sprinkler device of claim 14 further comprising: a second fire sprinkler 80', 180'; and

piping 72, 70, 70', 172, 170, 172' fluidly connecting the at least one fire sprinkler and the second fire sprinkler with the outlet.

17. The dry sprinkler device of claim 14 further comprising: a second activation component 12, 60, 160, 960, 1 160 including a base 62, 962, 1 162, a movable member 64,164, 964 movable with respect to the base, a bias member 661ocated with respect to the base to bias the movable member from a preactivation position with respect to the base to an activated position with respect to the base, and a thermally responsive element 68, 1 168retaining the movable member in the preactivation position only until a predetermined thermodynamic condition is reached, the thermally responsive element being configured to lose structural integrity under the predetermined thermodynamic condition;

a second flexible connector 1050', 1250 including at least a flexible hollow outer cable housing 1052', 1252 having a first 1052a', 1252a end configured to be stationarily connected with the body and a second 52bend configured to be stationarily connected with the base, and a flexible cable 1054', 1254 located inside the flexible hollow outer cable housing and sized for only sliding movement within the outer cable

housing, the flexible cable having a first end 1054a', 1254a and a second end fixedly connected with the movable member of the second activation component so as to be moved with respect to the flexible hollow outer cable housing by movement of the movable member with loss of structural integrity by the thermally responsive element of the second activation component under the predetermined thermodynamic condition, the first end 1054a', 1254a end being mechanically connected with the latch through one of a plunger 1022 and a crank 1292.

18. The dry sprinkler device of claim 14 wherein the valve is a first valve 120 and further comprising:

a second valve 120' fluidly coupled with the at least one outlet 127 of the first valve.

19. The dry sprinkler device of claim 14 wherein the lever 130 and the latch 132 are part of a subassembly 148 pivotally supporting the lever 130 and the latch 132 and fixedly connected to a cover 123 removable from the valve body 122.

20. The dry sprinkler device of claim 19 wherein the subassembly 148 further includes a hollow boss 129 slidably receiving a shaft 128a of the seal member 128 and the lever 130 includes an adjustment screw 134 located to contact a distal end of the shaft and vary mechanical compression applied to the seal member by the lever in the closed position.

21. A method of providing a dry sprinkler device comprising the steps of:

connecting an inlet 25, 125, 925 of a valve 20, 120, 920, 1 120 to a branch water line 76;

mechanically connecting an activation component 60, 160, 960 with a thermally responsive element 68, 968 to the valve with a Bowden cable 50, 150, 1050, 1 150, 1250 so as to open the valve in response to a loss of physical integrity of the thermally responsive element 68, 1 168; and

fluidly connecting a water distribution device 80, 180 to an outlet 27, 127, 927a, 927b of the valve to spray water received from the valve.

22. A method of installing a dry sprinkler device including a valve 20, 120, 920, 1 120, an activation component 60, 160, 960 with a thermally responsive element 68, 968 and a flexible Bowden cable 50, 150, 1050, 1 150, 1250 mechanically coupling the activation component with the valve so as to open the valve in response to a loss of physical integrity of the thermally responsive element comprising the steps of;

fluidly coupling an inlet 25, 125, 925 of the valve with a water supply line 76;

installing a water distribution device 80, 180 at a location spaced apart from the valve and connecting the device with an outlet 27, 127, 927a, 927b of the valve through intermediate piping 70, 72, 170, 172; and

installing the activation component at a location spaced apart from the valve, the valve being operatively connected with the activation component through the Bowden cable.