US 12,403,341 B2
Drill fire extinguishing device and drill fire extinguishing system, drill bit
Lukas Traxl, Ebensee (AT)
Assigned to Putz Innova GmbH, Bad Goisen (AT); and Lukas Traxl, Ebensee (AT)
Appl. No. 17/762,787
Filed by PUTZ INNOVA GmbH, Bad Goisern (AT); and Lukas Traxl, Ebensee (AT)
PCT Filed Sep. 23, 2020, PCT No. PCT/EP2020/076607
§ 371(c)(1), (2) Date Mar. 23, 2022,
PCT Pub. No. WO2021/058590, PCT Pub. Date Apr. 1, 2021.
Claims priority of application No. 10 2019 125 685.2 (DE), filed on Sep. 24, 2019.
Prior Publication US 2023/0001246 A1, Jan. 5, 2023
Int. Cl. A62C 31/22 (2006.01); B23B 45/04 (2006.01)
CPC A62C 31/22 (2013.01) [B23B 45/042 (2013.01); B23B 2270/025 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A drill fire extinguishing device (1) comprising:
a tool holder (13) configured to hold a tool or be connected to a tool;
a fluid connection (110) configured to supply a fluid;
a turbine (40) including an impeller (42) having at least one stage with a plurality of runner blades (85) and connectable to the tool holder (13) to drive the tool holder (13) in a drive mode in a rotary and/or percussive fashion using the fluid supplied via the fluid connection (110);
at least one discharge opening (20) in a stationary wall (4) of the drill fire extinguishing device (1) in fluid communication with a fluid chamber (30) downstream of the runner blades (85) of the turbine (40), the discharge opening (20) providing a first flow path (101) to dispense the fluid to a) an area surrounding the drill fire extinguishing device (1);
a nozzle assembly (12) having one or more nozzles (18) positioned in the stationary wall (4) of the drill fire extinguishing device (1) in fluid communication with the fluid chamber (30) downstream of the runner blades (85) of the turbine (40) to form a second flow path (102), so that after the fluid exits the turbine (40), it is discharged as fire extinguishing fluid into the area surrounding the drill fire extinguishing device (1), wherein the nozzles (18) comprise spray nozzles configured to produce a fine spray mist and the nozzle assembly (12) includes at least two groups of nozzles (18) which have different outlet angles from each other; and
a retractable slider (8) having a first position in which the slider (8) is pulled back to expose the at least one discharge opening (20) and a second position in which the slider (8) is moved forward to cover the at least one discharge opening (20);
wherein the turbine (40) is an axial turbine or tubular turbine and the fluid connection (110) provides an axial inflow of the fluid into the drill fire extinguishing device (1).