US 11,054,140 B2
Fuel supply device for gas turbine having multiple perforated plates
Inchan Choi, Gwangyang-si (KR); and Dongsik Han, Changwon-si (KR)
Filed by DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD., Changwon-si (KR)
Filed on Jan. 31, 2019, as Appl. No. 16/264,573.
Claims priority of application No. 10-2018-0030676 (KR), filed on Mar. 16, 2018.
Prior Publication US 2019/0285278 A1, Sep. 19, 2019
Int. Cl. F23R 3/28 (2006.01); F23R 3/26 (2006.01)
CPC F23R 3/286 (2013.01) [F23R 3/26 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A fuel supply device for a gas turbine, comprising:
a fuel supply pipe in which fuel flows, the fuel supply pipe defining a central axis;
a first perforated plate disposed around the fuel supply pipe and formed with a first plurality of openings;
a fuel injection unit having a plurality of fuel injection pipes connected to the fuel supply pipe, the plurality of fuel injection pipes being radially arranged around the fuel supply pipe, each of the plurality of fuel injection pipes being formed in a cylindrical shape;
a second perforated plate disposed around the fuel supply pipe and formed with a second plurality of openings;
a third perforated plate disposed around the fuel supply pipe and formed with a third plurality of openings; and
a cover accommodator, the cover accommodator defining a central axis that is the same axis as the fuel supply pipe central axis, the cover accommodator extending along the fuel supply pipe central axis, and the cover accommodator accommodating the first perforated plate, the third perforated plate, the fuel injection unit, and the second perforated plate therein,
wherein the first perforated plate, the third perforated plate, the fuel injection unit and the second perforated plate are spaced apart and positioned from upstream to downstream in the recited order.