UREA INJECTION DEVICE FOR SELECTIVE CATALYST REDUCTION DEVICE
First Claim
1. A urea injection device for a selective catalyst reduction device, which injects urea into a urea tank through a urea injection port and a urea injection line that connects the urea injection port and the urea tank, the urea injection device comprising:
- a leveling pipe which is connected with the urea tank;
a separator which is installed to be connected with the leveling pipe, and connected to the urea injection port through a gas recirculation line;
a gas vent line which is connected with the separator; and
a check valve which is installed in the gas vent line.
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Accused Products
Abstract
Disclosed is a urea injection device for a selective catalyst reduction device. The urea injection device for a selective catalyst reduction device serves to inject urea into a urea tank through a urea injection port and a urea injection line that connects the urea injection port and the urea tank. The urea injection device may include: i) a leveling pipe which is connected with the urea tank, ii) a separator which is installed to be connected with the leveling pipe, and connected to the urea injection port through a gas recirculation line, iii) a gas vent line which is connected with the separator, and iv) a check valve which is installed in the gas vent line.
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Citations
20 Claims
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1. A urea injection device for a selective catalyst reduction device, which injects urea into a urea tank through a urea injection port and a urea injection line that connects the urea injection port and the urea tank, the urea injection device comprising:
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a leveling pipe which is connected with the urea tank; a separator which is installed to be connected with the leveling pipe, and connected to the urea injection port through a gas recirculation line; a gas vent line which is connected with the separator; and a check valve which is installed in the gas vent line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification