Stub shaft for connection with a flywheel rotor

Sanders, Seth; Sun, Eric; He, Mike; Senesky, Matthew; Chiao, Edward Young

Title: Stub shaft for connection with a flywheel rotor

Patent · Tue Jan 01 00:00:00 EST 2019

OSTI ID:1493485

Sanders, Seth; Sun, Eric; He, Mike; Senesky, Matthew; Chiao, Edward Young

An energy storage system including a solid steel flywheel rotor, journals, and separate stub shafts for connecting to the journals has improved material properties offers improved energy storage at reduced cost.

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Research Organization:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: OE-0000232

Assignee:: Amber Kinetics, Inc. (Fremont, CA)

Patent Number(s):: 10,167,925

Application Number:: 14/811,012

OSTI ID:: 1493485

Resource Relation:: Patent File Date: 2015 Jul 28

Country of Publication:: United States

Language:: English

References (10)

Rotational Energy Accumulator, Especially for Electrically Driven Vehicles Storsand, Bjarne https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/3436572 US Patent Document 3436572	patent	April 1969
Energy Strong Mass and Method for Making Call, Bernard J. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/3496799 US Patent Document 3496799	patent	February 1970
Method of Explosively Shocking Solid Materials Balchan, Anthony S.; Cowan, George R. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/3608014 US Patent Document 3608014	patent	September 1971
Apparatus for Homogeneous Refining and Continuously Casting Metals and Alloys Fritsche, Gale Ray https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/3752216 US Patent Document 3752216	patent	August 1973
Flywheel rotor particularly suitable for accumulating energy Theyse, Frederik H. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4179951 US Patent Document 4,179,951	patent	December 1979
Rimmed and edge thickened Stodola shaped flywheel Kulkarni, Satish V.; Stone, Richard G. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4408500 US Patent Document 4,408,500	patent	October 1983
Flywheel assembly for dynamometers D'Angelo, Severino; Kinne, Robert G. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4688419 US Patent Document 4,688,419	patent	August 1987
Age hardenable alloy with a unique combination of very high strength and good toughness Hemphill, Raymond M.; Wert, David E.; Novotny, Paul M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5866066 US Patent Document 5,866,066	patent	February 1999
Axially free flywheel system Gabrys, Christopher W. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6710489 US Patent Document 6,710,489	patent	March 2004
Uninterruptible power supply using a high speed cylinder flywheel Gabrys, Christopher W.; Campbell, David R. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6825588 US Patent Document 6,825,588	patent	November 2004

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