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US5146150A Expired / Lapsed US ⏱️ 0.0 years remaining

Safe battery cell interconnects

Assignee: Motorola Solutions Inc
•
Filing: 1990-08-06
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Granted: 1992-09-08
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Expires: 2010-08-06
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Abstract

Abstract A battery (50) comprises a plurality of interconnected cells (56) each cell having a positive (60) and negative terminal (62) and a plurality of resistive fusible material (58) serving as interlinks interspersed between unlike terminals of the cells (56) in the plurality of interconnected cells.

Inventors

  • 👤 Russell E. Gyenes
  • 👤 Raymond J. Kleinert, III

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 07:37
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/44; H01M10/441; H01M50/00; H01M50/50; H01M50/572; H01M50/574; H01M50/581; H02; H02J; H02J7/00; H02J7/50; H02J7/60; H02J7/62; H02J7/65; H01M50/583; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 78 words
A battery comprising: a plurality of interconnected cells, each cell having a positive and negative terminal; and a plurality of resistive fusible links directly connected between the positive and negative terminals of said plurality of interconnected cells for providing interlinking current limiting, and current interrupting between cells; a diode coupled to one of said positive terminal of said plurality of interconnected cells; and a thermistor coupled to one of said negative terminal of said plurality of interconnected cells.
Claim 2
Dependent Claim 78 words
A battery comprising: a plurality of interconnected cells, each cell having a positive and negative terminal; and a plurality of resistive fusible links directly connected between the positive and negative terminals of said plurality of interconnected cells for providing interlinking current limiting, and current interrupting between cells; a diode coupled to one of said positive terminal of said plurality of interconnected cells; and a thermistor coupled to one of said negative terminal of said plurality of interconnected cells.
Claim 3
Dependent Claim 15 words
The battery of claim 1, wherein said plurality of interconnected cells are coupled in series.
Claim 4
Dependent Claim 13 words
The battery of claim 1, wherein said resistive fusible links comprise nichrome tabs.
Claim 5
Dependent Claim 22 words
The battery of claim 1, wherein the battery further comprise a positive temperature coefficient device coupled to said plurality of interconnected cells.
Claim 6
Dependent Claim 23 words
The battery of claim 1, wherein the resistive fusible links between unlike terminals of each of said cells in said plurality of cells.
Claim 7
Dependent Claim 69 words
A safety battery having a positive and a negative terminal, a polyswitch and a plurality of cells in series coupled to said polyswitch, comprising: a resistive fusible link coupled between each cell in said plurality of cells for providing a current limiter and a fuse; a diode coupled to said positive terminal of said safety battery circuit; a thermistor coupled to said negative terminal of said safety battery circuit.
Claim 8
Dependent Claim 69 words
A safety battery having a positive and a negative terminal, a polyswitch and a plurality of cells in series coupled to said polyswitch, comprising: a resistive fusible link coupled between each cell in said plurality of cells for providing a current limiter and a fuse; a diode coupled to said positive terminal of said safety battery circuit; a thermistor coupled to said negative terminal of said safety battery circuit.
Claim 9
Dependent Claim 18 words
The safety battery circuit of claim 6, wherein said resistive fusible material between each cell comprise nichrome tabs.
Claim 10
Dependent Claim 77 words
A safety battery circuit for use in a portable radio, comprising: a plurality of cells, each having a positive and negative terminal; a plurality of resistive fusible link for directly connecting unlike terminals among said cells in said plurality of cells; a positive temperature coefficient device coupled to a positive terminal of the plurality of cells; a diode coupled to said positive temperature coefficient device. a thermistor coupled to a negative terminal of the plurality of cells.
Claim 11
Dependent Claim 77 words
A safety battery circuit for use in a portable radio, comprising: a plurality of cells, each having a positive and negative terminal; a plurality of resistive fusible link for directly connecting unlike terminals among said cells in said plurality of cells; a positive temperature coefficient device coupled to a positive terminal of the plurality of cells; a diode coupled to said positive temperature coefficient device. a thermistor coupled to a negative terminal of the plurality of cells.
Claim 12
Dependent Claim 21 words
The battery circuit of claim 8, wherein the resistively fusible links are interspersed among said cells in said plurality of cells.
Claim 13
Dependent Claim 22 words
The battery circuit of claim 8, wherein the resistively fusible links are coupled between every other cell in said plurality of cells.
Claim 14
Dependent Claim 21 words
The battery circuit of claim 8, wherein the resistively fusible links are coupled between each cell in said plurality of cells.

References Cited (Backward Citations)

US3686530A Cited
US4431713A Cited
US4680527A Cited
US4749934A Cited
US4879187A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-09-08 1996-03-09 1996-09-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-09-08 2000-03-09 2000-09-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-09-08 2004-03-09 2004-09-08 $7700.00 Window Closed / Lapsed

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