Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation
Reexamination Certificate
2006-05-02
2006-05-02
Richter, Sheldon J (Department: 3748)
Power plants
Motive fluid energized by externally applied heat
Process of power production or system operation
C060S646000, C060S652000, C060S657000, C062S129000
Reexamination Certificate
active
07036315
ABSTRACT:
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 determine whether a low charge condition exists. If such a condition does exist, warning steps and possibly shut down steps can be taken. As a verification of a low charge condition, the absence or presence of oscillations in the pressure and/or pump power conditions can be observed.
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Cogswell Frederick James
Kang Pengju
Richter Sheldon J
United Technologies Corporation
Wall Marjama & Bilinski LLP
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