F01K11/04

SYSTEM AND METHOD TO IMPROVE BOILER AND STEAM TURBINE START-UP TIMES

A system for warming a power generation system including a boiler and a mixer fluidly coupled to the boiler, a turbine first section operable to receive steam from the boiler at a first temperature. The turbine supplies steam at a second temperature to a first heat exchanger operably connected to receive the heated steam at the second temperature from the output of at least the first section of the turbine and transfer heat to at least one of water and steam in the boiler or the mixer, feedwater for the boiler, and a thermal energy storage system. The system further includes a control unit configured to receive the monitored operating characteristic and control the amount of steam directed through the turbine.

Exploiting condensation heat in heat engines
10968786 · 2021-04-06 · ·

An improved heat engine employing a dual-component working fluid and configured to generate internal heat from one component of the working fluid that heats the other component through the physical contact between them such that together with the addition of external heat, the engine advantageously yields enhanced work extraction efficiency through separate, parallel expansion of each of the working fluids.

Exploiting compression heat in heat engines
10982569 · 2021-04-20 · ·

A dual-cycle heat engine employing a first cycling working fluid and a second cycling working fluid whose cycles overlap when fused into a combined working stream so as to preserve compression heat generated during compression of the first working fluid thereby yielding enhanced work extraction when complying with additional thermodynamic requirements.

Renewable energy system and methods for creating renewable energy
10794368 · 2020-10-06 ·

A renewable energy device includes a wheel rotatably mounted on a base to spin about an axis of rotation and having a plurality of hollow, barbell-shaped fluid subassemblies fixed symmetrically about the axis. The fluid subassemblies each have a longitudinal axis radiating away from the axis of rotation, a hollow outer end defining a circular, ring-shaped, outer travel path when rotated about the axis of rotation, a hollow inner end defining a circular, ring-shaped, travel path disposed within the outer travel path when rotated about the axis of rotation, a hollow conduit fluidically connecting the outer and inner ends to define an interior cavity, and a room-temperature-boiling-point fluid disposed in the interior cavity. Inner and outer thermal variance subassemblies cover approximately half of respective ones of the inner and outer travel paths on at least one side of the wheel.

Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycle
10774690 · 2020-09-15 · ·

A compact energy cycle construction that utilizes a working fluid in its operation is disclosed having a compact housing of a generally cylindrical form, an orbiting scroll type expander, a central shaft which is driven by the expander, a generator having a rotor and a stator with the central shaft being mounted to the rotor for rotating the rotor relative to the stator, a pump mounted to the central shaft, an evaporator positioned between the expander and the generator and surrounding the central shaft, and the orbiting scroll type expander, the central shaft, the generator, the pump, and the evaporator being housed within the compact housing to form an integrated system operable in accordance with an energy cycle.

Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycle
10774690 · 2020-09-15 · ·

A compact energy cycle construction that utilizes a working fluid in its operation is disclosed having a compact housing of a generally cylindrical form, an orbiting scroll type expander, a central shaft which is driven by the expander, a generator having a rotor and a stator with the central shaft being mounted to the rotor for rotating the rotor relative to the stator, a pump mounted to the central shaft, an evaporator positioned between the expander and the generator and surrounding the central shaft, and the orbiting scroll type expander, the central shaft, the generator, the pump, and the evaporator being housed within the compact housing to form an integrated system operable in accordance with an energy cycle.

Rotating heat exchanger/bypass combo

A system is provided. The system includes at least two heat exchangers that are alternatively cooled by an outlet medium. The system also includes a cooling circuit that provides a cooling medium to the at least two heat exchangers. The cooling circuit provides the cooling medium to a first heat exchanger of the at least two heat exchangers in accordance with a first mode. The cooling circuit provide the cooling medium to a second heat exchanger of the at least two heat exchangers in accordance with a second mode.

Rotating heat exchanger/bypass combo

A system is provided. The system includes at least two heat exchangers that are alternatively cooled by an outlet medium. The system also includes a cooling circuit that provides a cooling medium to the at least two heat exchangers. The cooling circuit provides the cooling medium to a first heat exchanger of the at least two heat exchangers in accordance with a first mode. The cooling circuit provide the cooling medium to a second heat exchanger of the at least two heat exchangers in accordance with a second mode.

AIR ENERGY BOILER
20200191379 · 2020-06-18 ·

The present invention discloses an air energy boiler and belongs to the technical field of energy conversion. A crankshaft of the boiler is fixed at the output end of a rotating unit. The crankshaft is provided with at least one bulge. A driving piston of each conversion assembly is arranged in an air cavity in a reciprocating motion. The driving piston divides the air cavity into a first cavity and a second cavity. A wrist pin is arranged in the second cavity, and the wrist pin is fixed and connected with the driving piston. Both ends of a piston rod is rotatably connected with the wrist pin and the corresponding bulge respectively. The first cavity is provided with an air intake. Multiple heating pipes are in communication with the first cavity at one end and stretch into the boiler body at the other end. The boiler body is sealed and stores water, and the boiler body is provided with a steam outlet, wherein the steam outlet of the boiler body is connected to various terminals through the use of pipelines. Since air is used as the heat source, no conditional limitations exist for installation, and it is safe to use and saves energy and electricity.

Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump or combined organic rankine and heat pump cycle
10519815 · 2019-12-31 · ·

A compact energy cycle construction that operates as or in accordance with a Rankine, Organic Rankine, Heat Pump, or Combined Organic Rankine and Heat Pump Cycle, comprising a compact housing of a generally cylindrical form with some combination of a scroll type expander, pump, and compressor disposed therein to share a common shaft with a motor or generator and to form an integrated system, with the working fluid of the system circulating within the housing as a torus along the common shaft and toroidally within the housing as the system operates.