US 12,215,799 B2
Tamper switch, tamper resistant valve and valve monitor
Shae Mete, Melbourne (AU)
Assigned to FST INNOVATION PTY LTD, Melbourne (AU)
Appl. No. 18/691,771
Filed by FST INNOVATION PTY LTD, Melbourne (AU)
PCT Filed Nov. 4, 2022, PCT No. PCT/AU2022/051324
§ 371(c)(1), (2) Date Mar. 13, 2024,
PCT Pub. No. WO2023/077195, PCT Pub. Date May 11, 2023.
Claims priority of application No. 2021903552 (AU), filed on Nov. 5, 2021; and application No. 2022204325 (AU), filed on Jun. 20, 2022.
Prior Publication US 2024/0271719 A1, Aug. 15, 2024
Int. Cl. F16K 35/10 (2006.01); F16K 27/12 (2006.01); F16K 37/00 (2006.01)
CPC F16K 35/10 (2013.01) [F16K 27/12 (2013.01); F16K 37/0041 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method of preventing unauthorised access to a fire protection system, the method comprising:
fitting or retro-fitting a valve housing comprising a valve case and a valve cover, the valve case comprising a base and a wall, the valve cover removable from the valve case and the valve cover defining a housing mechanical linkage or part thereof; and
fitting or retro-fitting a gear onto a main valve drive shaft, the gear comprising a valve mechanical linkage or part thereof for inter-fitting with the housing mechanical linkage or part thereof so the valve cover can only be removed when the valve mechanical linkage or part thereof and the housing mechanical linkage or part thereof are in an access orientation and not a secure orientation and wherein the access orientation triggers a switch.