Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 376/219
Name: Induced nuclear reactions: processes, systems, and elements > With control of reactor (e.g., control of coolant flow) > By movement of control element or by release of neutron absorbing material
Description: Subject matter wherein control is realized by the insertion or withdrawal of a reactivity affecting material from the area occupied by fissioning reactor fuel.










Sub-classes under this class:

Class Number Class Name Patents
376/232 By motion transforming means, e.g., rack and pinion 24
376/227 Control element movable by means of cable and winch, chains or reels 10
376/224 Finger-type control elements (insertable into fuel element positions) 22
376/236 Including control rod insertion and removal schemes 59
376/234 Including shock absorber 44
376/235 Means for locking control element in desired position 32
376/233 Releasable coupling 84
376/239 Rod or support carrying plural elements or diverse materials 18
376/223 Rotatable control elements 16
376/226 Wherein control element is driven directly into bed of fuel elements 15
376/228 Wherein driver or motivating is electric 41
376/230 Wherein driver or motivating is fluid 61
376/220 Wherein the control element is a reflector or moderator material 37


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8711997 Reactor core of liquid metal cooled reactor Apr. 29, 2014
8670515 Digital nuclear control rod control system Mar. 11, 2014
8654916 Method for regulation of operational parameters of the core of a pressurised water nuclear reactor Feb. 18, 2014
8571162 Control rod drive mechanism Oct. 29, 2013
8559585 Cold shutdown assembly for sodium cooled reactor Oct. 15, 2013
8526563 Terminal elements for coupling connecting rods and control rods in control rod assemblies for a nuclear reactor Sep. 3, 2013
8477899 Method for operating a reactor of a nuclear plant Jul. 2, 2013
8416908 Nuclear reactor control method and apparatus Apr. 9, 2013
8295425 Fast reactor having reactivity control reflector Oct. 23, 2012
8126105 Fast reactor having reflector control system and neutron reflector thereof Feb. 28, 2012
7970093 Method for operating a nuclear reactor Jun. 28, 2011
7920667 Accumulator Apr. 5, 2011
7881421 Accumulator Feb. 1, 2011
7876872 Reactor power control apparatus of natural circulation reactor and method for controlling reactor power of natural circulation reactor Jan. 25, 2011
7864913 Fast reactor having reflector control system and neutron reflector thereof Jan. 4, 2011
7809098 System for exchanging a control rod drive Oct. 5, 2010
7773716 Fast reactor having reflector control system and neutron reflector thereof Aug. 10, 2010
7620139 Method of improving nuclear reactor performance during reactor core operation Nov. 17, 2009
7505545 Method for recognizing step movement sequence of control rod drive mechanism of nuclear reactor Mar. 17, 2009
7469029 Control rod and a control rod blade for a boiling water reactor Dec. 23, 2008
7139351 Method of and control system for controlling a nuclear reactor outlet temperature Nov. 21, 2006
7139352 Reactivity control rod for core Nov. 21, 2006
7139355 Method of operating a nuclear power plant at multiple power levels Nov. 21, 2006
6934350 Core configuration for a nuclear reactor Aug. 23, 2005
6873671 Reactor manual control system Mar. 29, 2005
6865242 Method and device for restoring the fall-time of at least one control cluster for regulating reactivity in the core of a light-water-cooled nuclear reactor Mar. 8, 2005
6862329 In-cycle shuffle Mar. 1, 2005
6721383 Maximum extended load line limit analysis for a boiling water nuclear reactor Apr. 13, 2004
6721382 Absorber member and control rod Apr. 13, 2004
6707870 Method for determining friction forces occurring on an object moving in a guide on an inaccessible site Mar. 16, 2004
6697447 Maximum extended load line limit analysis for a boiling water nuclear reactor Feb. 24, 2004
6590952 Reactor manual control system Jul. 8, 2003
6553090 Control system of nuclear power plant, and control method thereof Apr. 22, 2003
6510192 Boiling water type nuclear reactor core and operation method thereof Jan. 21, 2003
6477218 Control system of nuclear power plant, and control method thereof Nov. 5, 2002
6285728 Control rod for nuclear reactor Sep. 4, 2001
6205196 Boiling water type nuclear reactor core and operation method thereof Mar. 20, 2001
6198786 Methods of reactor system pressure control by reactor core power modulation Mar. 6, 2001
6118837 Method for detecting the dropping of a control element Sep. 12, 2000
5898744 Apparatus and method for clock recovery in a communication system Apr. 27, 1999
5787136 Wear resisting sintered alloy and its production, and control rod driving apparatus and nuclear reactor using the same Jul. 28, 1998
5642389 Light water reactor in particular a boiling water reactor with a high degree of inherent safety Jun. 24, 1997
5581587 Control rod driving apparatus Dec. 3, 1996
5333156 Nuclear fuel assembly with an integrated passive safety device Jul. 26, 1994
5330589 Hafnium alloys as neutron absorbers Jul. 19, 1994
5323435 Control rod housing support bars with wing assemblies Jun. 21, 1994
5321732 Control rod housing support bars with radiation shields Jun. 14, 1994
5291530 Enriched boron-10 boric acid control system for a nuclear reactor plant Mar. 1, 1994
5272733 Control rod driving system Dec. 21, 1993
5271052 Enriched boron-10 boric acid control system for a nuclear reactor plant Dec. 14, 1993

1 2










 
 
  Recently Added Patents
Automated security analysis for federated relationship
DRAM refresh method and system
Nucleotide sequence coding for variable regions of .beta. chains of human T lymphocyte receptors, corresponding peptide segments and the diagnostic and therapeutic uses
Systems and methods for simultaneously configuring multiple independent backups
Method and apparatus for filter-less class D audio amplifier EMI reduction
Placental tissue grafts
Method for superconducting connection between MgB2 superconducting wires via a MgB2 matrix made from a boron powder compressed element infiltrated with Mg
  Randomly Featured Patents
Orthodontic bracket assembly and method of installation
Device for pressure fusing images onto paper in electrostatic copiers
Nickel-poor austenitic steel
Lubricating oil compositions containing an overbased calcium sulfonate and a zinc cyclic hydrocarbyl dithiophosphate-succinimide complex
Fluorination of proteins and peptides for F-18 positron emission tomography
Watering system
Process for the preparation of N-substituted glycine acids or glycine esters and the use of the process for indigo synthesis
Semiconductor photodetector of high sensitivity and small leak current
Mist spraying apparatus and image forming apparatus
Customized virtual catalog