Korea Institute of Energy Research

Korea District Heating Corporation

Yong Hoon Im

Jae Yong Lee

Dong Hyun Lee

Dae Hun Chung

Sae Byul Kang

Byung Sik Park

Gyu Sung Choi

Kyu Sung Choi

Provided are a supply pipe and a pipe system that may simultaneously accumulate a plurality of thermal energies having different temperatures in a thermal energy network based on bilateral heat trade. The supply pipe is driven by an operation system, supplies a thermal energy to a user or a heat source, and includes an external pipe, at least two internal pipes that are disposed inside the external pipe and accumulate a thermal energy having a predetermined temperature, and a filler that fills the external pipe inside which the at least two internal pipes are disposed, wherein the at least two internal pipes have thermal energies having different temperatures.

Supply pipe and pipe system for thermal energy network based on bilateral heat trade

A poly-generation system includes: at least one cylinder; a reciprocating piston provided in the cylinder; an engine rotor generates a magnetic force and reciprocates with the piston; an engine stator includes an engine coil which induces an electromotive force by interference with the reciprocating engine rotor and outputs the electromotive force induced in the engine coil; and a generator which is integrally coupled with a reciprocating shaft of the piston and generates electricity using an inertial force generated by the reciprocating piston, the generator includes: an elastic member deformed by the inertial force; a generator rotor includes a generator magnet and reciprocates due to the deformation of the elastic member; a generator stator includes a generator coil and outputs an electromotive force induced in the generator coil due to interference with the generator magnet, and a generator battery stores the electromotive force induced in the generator coil.

Poly-generation system

The present invention relates to a trigeneration energy supply system having improved cooling and system use efficiency. The trigeneration energy supply system according to one embodiment of the present invention can comprise: a vacuum pump; a vacuum chamber inside which a vacuum is created by the vacuum pump; a condensed water storage tank positioned higher than the vacuum chamber, and prepared so as to store condensed water formed when steam generated by evaporating water brought inside the vacuum chamber is transferred to the inside of the tank by the vacuum pump; a cooling pipeline arranged to pass through the inside of the vacuum chamber cooled during the water evaporation and prepared to deliver cool air to a cooling load; and a small hydroelectric power generation system for generating electrical power by allowing the condensed water stored in the condensed water storage tank to be poured from at least the height of the condensed water storage tank.

Trigeneration energy supply system

A potential energy-based power generation system comprises a first reservoir disposed on an upper part of a building and configured to reserve water, a second reservoir located underground of the building and configured to reserve the water, a small hydro power generation unit including a small hydro power generation turbine to generate the power, a fuel cell power generation unit disposed at one side of the first reservoir and configured to generate the power using the hydrogen gas, an electrolysis device disposed in the second reservoir and configured to perform electrolysis for decomposition of the water into the oxygen and hydrogen gas by using the external power or the power generated by the small hydro power generation unit.

Potential energy-based power generation system

The duplex calorimeter, connected between a first and a second demand sides to measure a caloric heat energy between the demand sides, includes a first pipe connected to the first demand side, a second pipe connected to the second demand side, first and second branch pipes, branched into two directions between the first pipe and the second pipe, a first flow rate measuring part measuring a flow rate of the heat energy in the first branch pipe, a second flow rate measuring part measuring a flow rate of the heat energy in the second branch pipe, a temperature measuring part measuring a temperature of the heat energy in either branch pipe, and a calculating part calculating the caloric value based on the flow rate measured by the first flow rate measuring part or the second flow rate measuring part and the temperature measured by the temperature measuring part.

Duplex calorimeter

A combined heat and power system for greenhouse carbon dioxide enrichment purifies carbon dioxide from exhaust gas of the combined heat and power system generating and supplying power and heat by combusting fuel and supplies the purified carbon dioxide to a greenhouse. The combined heat and power system includes a unified pipe system configured to simultaneously transmit hot water and carbon dioxide through a single pipe by dissolving the purified carbon dioxide in a heat transmission medium, a storage system configured to store the carbon dioxide transmitted to demand destinations along with the hot water, and supply unit configured to supply the carbon dioxide transmitted to and stored in the demand destinations depending on a heat and carbon dioxide load condition of a demand destination.

Combined heat and power system for greenhouse carbon dioxide enrichment with unified transmission pipes for hot water and carbon dioxide

Provided are an adiabatic compressed air energy storage for an automotive vehicle and an energy storage method using the same, whereby a new vehicle function is provided by using available energy from the discharged and expelled energy generated from a driven automotive vehicle or available energy source outside an automotive vehicle, and transforming the generated energy to convenient electric power and efficiently storing the energy, so that electric power can be supplied regardless of space or time constraint during the automotive vehicle in operation or parked or vehicle engine stop in view of the increase demands of electric power in automotive vehicles.

Growing community of inventors

Daejeon, South Korea

Yong Hoon Im