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Class 60/661 - Of or by heat rejecting means or its bypass


Subclass of Class 60 - Power plants
Definition: Apparatus, in which the control is by a means (1) sensing
No. of patents: 20
Last issue date: 10/17/2006


NumberTitleIssue Date
7121906Method and apparatus for decreasing marine vessel power plant exhaust temperature
According to the present invention, a method and apparatus for generating power aboard a marine vessel is provided. The method comprises the steps of: (a) providing a Rankine Cycle device that includes at least one of each of an evaporator, a turbo-generator that in...
10/17/2006
7036315Apparatus and method for detecting low charge of working fluid in a waste heat recovery system
In a waste heat recovery system having a superheat controller, a reference superheat controller operating trajectory is established and compared with operational superheat controller trajectories from time to time and measuring the deviation therebetween to determin...
05/02/2006
7010920Low temperature heat engine
A method for producing power to drive a load (17) using a working fluid circulating through a system that includes a prime mover (12) having an inlet and an accumulator (20) containing discharge fluid exiting the prime mover. A stream of heated ...
03/14/2006
6748743Indirectly heated gas turbine control system
A system for the control of an indirectly heated gas turbine comprising a primary system of controlling the temperature of heated compressed gas entering the expander, and an independent secondary system which includes a safety valve for instantaneous release of hea...
06/15/2004
6588499Air ejector vacuum control valve
The present invention comprises a method and device for deterring the freezing within a condenser by preventing critical pressure differentials from building up between the exhaust steam header and the air ejector systemy. The means for regulating pressur...
07/08/2003
6128901Pressure control system to improve power plant efficiency
A system for improving the efficiency of a modem power plant for generating electricity with a water-cooled shell and tube steam condenser with an air removal system is disclosed. An air removal system typically includes an air offtake pipe and a two-stag...
10/10/2000
6128905Back pressure optimizer
The present invention is directed toward a method and device for increasing the energy efficiency of a power plant. The invention comprises monitoring the power consumption of a power plant subsystem. The subsystem being monitored should be a subsystem th...
10/10/2000
5005351Power plant condenser control system
A system and method for controlling the operation of a steam condenser in a power plant which includes a steam turbine, the condense having: a steam flow path including a steam inlet connected to receive turbine exhaust steam from the turbine steam outlet...
04/09/1991
4958679Condenser for the water-steam loop of a power plant, in particular a nuclear power plant
A condenser for the water-steam loop of a power plant includes a condensate-filled lower portion. A heating pipe system is disposed in the lower portion and nozzles are disposed on the heating pipe system through which heating condensate or heating steam ...
09/25/1990
4753077Multi-staged turbine system with bypassable bottom stage
An improved multi-stage turbine system is provided which includes a high pressure turbine stage assembly and at least one lower pressure turbine stage assembly. Each of these turbine assemblies preferably has an inlet opening for introducing a thermodynam...
06/28/1988
4642992Energy-saving method and apparatus for automatically controlling cooling pumps of steam power plants
A system for energy-efficiently operating large capacity cooling pumps in a steam cycle electrical power generating plant which condenses steam using ambient water (e.g., from a lake, cooling tower, or stream) supplied by two or more large electrical moto...
02/17/1987
4512157Solar powered fluid heating system
A solar powered fluid heating system includes a thermal collector for vaporizing a refrigerant, a separator for removing any liquid component from the vapor component of the heated refrigerant, and a condenser for transferring heat from the refrigerant va...
04/23/1985
4471620Turbine low pressure bypass spray valve control system and method
A bypass system for a steam turbine wherein the energy level of the steam bypassed around the intermediate pressure and low pressure turbines is modified by introduction of cooling water. The amount of water introduced is adaptively varied as a function o...
09/18/1984
4291538Power producing dry cooling apparatus and method
Spent steam from a steam driven electric generating power plant is condensed by heat rejection to a refrigerant in a closed loop. The closed refrigerant loop contains an expander and a compressor, and a heat exchanger in a cooling tower. The compressor an...
09/29/1981
4272962Pressure controller for dual purpose steam turbine power plant
At least one heat exchanger section including a conventional heat exchanger is disposed in a dual purpose steam turbine power plant to utilize steam extracted from the steam turbine to one section of the heat exchanger for the purposes of heating process ...
06/16/1981
4229943Steam engine
A steam engine wherein the inlet and relief valves are subjected to balanced stresses and the pressure of steam is maintained above the critical point. The engine can be braked electrically, mechanically and with steam; the braking with steam takes place ...
10/28/1980
4212168Power producing dry-type cooling system
A dry-type cooling system for condensing steam in a steam operated electric power generating plant and disposing of the heat withdrawn, by converting some of the heat to a form of power or work, such as electric power, and rejecting some of the heat to th...
07/15/1980
4165616Apparatus and method for restricting turbine exhaust velocity within a predetermined range
An apparatus and method for controlling fluid velocity exhausting from an elastic fluid turbine within a predetermined range. Elastic fluid flow rate and velocity is measured through the turbine's exhaust stage and coolant flow rate to heat exchange tubes...
08/28/1979
4080790Safety system for a steam turbine installation
A steam turbine installation includes a safety system located in the steam flow path having a stop valve located in the steam flow path upstream of the turbine and a vacuum break valve located in the stream flow path downstream of the turbine, and a combi...
03/28/1978
3939660Acceleration control arrangement for turbine system, especially for HTGR power plant
In a turbine system with first and second turbine stages, each having a bypass line thereacross, provision is made for utilizing only the valving of the first turbine stages to control the acceleration of the shaft driven by the turbine system from start-...
02/24/1976
 
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