Magnetic refrigerator and device including the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9970690
SERIAL NO

14565000

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A magnetic refrigerator, and a device including the same, include a hot-end heat exchanger, a cold-end heat exchanger, a magnetic material arranged so as to provide a temperature gradient between the hot-end heat exchanger and the cold-end heat exchanger, and a heat exchange medium, and satisfying the following Equation 1.

description='In-line Formulae' end='lead'k=Th/Tc=ΔSc/ΔSh>1  EQUATION 1description='In-line Formulae' end='tail'

In Equation 1, Th is a temperature of a hot-end heat exchanger, Tc is a temperature of a cold-end heat exchanger, ΔSh is an entropy change of a magnetic material at Th, and ΔSc is an entropy change of a magnetic material at Tc.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
SAMSUNG ELECTRONICS CO LTDGYEONGGI DO SOUTH KOREA GYEONGGI-DO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kwon, Soon-Jae Yongin-Si, KR 12 106
Takenori, Numazawa Tsukuba, JP 1 0

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 15, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 15, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00