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US 11,629,670 B2Granted
Injection device for liquid rocket
AssigneeKorea Aerospace Research Institute
InventorsKeum Oh Lee, Byoung Jik Lim, Kee Joo Lee
Life of this patent
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Abstract
An injection device for injecting an oxidizer for a liquid rocket includes a housing, a plate disposed inside the housing and having an injection hole to eject an oxidizer, a duct disposed above the plate to guide the oxidizer, and a manifold with one end connected to the injection hole of the plate and the other end connected to the duct, wherein the oxidizer may be distributed to the injection hole at an equal flow rate.
Claims5
An injection device for injecting an oxidizer for a liquid rocket, the injection device comprising:
- a housing;
- a plate disposed inside the housing and having a plurality of injection holes to eject an oxidizer;
- a duct disposed above the plate to guide the oxidizer;
- and
- a manifold comprising a plurality of tubes that each have a first end connected to only one respective injection hole of the plurality of injection holes and a second end directly connected to the duct at a location above the housing,
- a spark plug disposed in a center of the plate to ignite fuel and the oxidizer,
- wherein the plurality of tubes comprise at least two tubes having different lengths, and wherein the oxidizer is distributed to the injection hole at an equal flow rate,
- wherein the plurality of injection holes are arranged around the spark plug,
- wherein the plurality of tubes comprises a first tube group and a second tube group, and
- the first tube group is disposed on a first side of the spark plug and the second tube group is disposed on a second side opposite to the first side, wherein the spark plug is centered between the first tube group and the second tube group.
7 more elements
Dependencies are inferred from the claim text.