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US5268665A Expired / Lapsed US ⏱️ 0.0 years remaining

Resistor device for blower motor

Assignee: PACIFIC ENGINEERING Co Ltd A JOINT-STOCK Co OF JAPAN
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Filing: 1991-11-20
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Granted: 1993-12-07
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Expires: 2011-11-20
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Abstract

Abstract A resistor device for blower motor comprising one plate of PTC element having two side surfaces and a plurality of electrodes disposed on at least one of the two side surfaces. A plurality of different resistance values can be obtained from the one plate of PTC element, which makes it possible to realize a small and compact structure for the resistor device.

Inventors

  • 👤 Murakami Iwao

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:04
CPC Classifications
H; H02; H02K; H02K7/00; H01; H01C; H01C1/00; H01C1/14; H01C1/1406; H01C7/00; H01C7/02

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 91 words
A resistor device for a blower motor comprising: a PTC element plate having two side surfaces; a plurality of electrodes disposed on at least one of said two side surfaces; and a terminal plate means having a plurality of electrode members, said electrode members being separated electrically from each other and each having a lead terminal portion, said terminal plate means facing said at least one surface of said PTC element plate in such a manner that said electrodes of said PTC element plate are in contact with said electrode members.
Claim 2
Dependent Claim 91 words
A resistor device for a blower motor comprising: a PTC element plate having two side surfaces; a plurality of electrodes disposed on at least one of said two side surfaces; and a terminal plate means having a plurality of electrode members, said electrode members being separated electrically from each other and each having a lead terminal portion, said terminal plate means facing said at least one surface of said PTC element plate in such a manner that said electrodes of said PTC element plate are in contact with said electrode members.
Claim 3
Dependent Claim 38 words
A resistor device for a blower motor according to claim 1 wherein each of said electrode members of said terminal plate means is formed so as to correspond to each of the electrodes of said PTC element plate.
Claim 4
Dependent Claim 34 words
A resistor device for a blower motor according to claim 1, wherein said terminal plate means includes an electrode member spanning over and between a plurality of said electrodes of said PTC element plate.
Claim 5
Dependent Claim 36 words
A resistor device for a blower motor according to claim 1, wherein only one electrode is disposed on the other side surface of said PTC element plate covering almost an area of the other side surface.
Claim 6
Dependent Claim 29 words
A resistor device for a blower motor according to claim 1, wherein a plurality of electrodes are also disposed on the other side surface of said PTC element plate.
Claim 7
Dependent Claim 27 words
A resistor device for a blower motor according to claim 1, wherein electrodes are disposed on only one of the side surfaces of said PTC element plate.
Claim 8
Dependent Claim 34 words
A resistor device for a blower motor according to claim 1 wherein said PTC element plate and said terminal plate means are held and secured together with the use of an elastic clip means.
Claim 9
Dependent Claim 31 words
A resistor device for a blower motor according to claim 1, wherein at least one of said electrode members of said terminal plate means has a lead terminal portion protruding therefrom.
Claim 10
Dependent Claim 55 words
A resistor device for a blower motor according to claim 9, wherein said PTC element plate and said terminal plate means are installed in a base holder means in a state of being combined together and pressed against each other by inserting said protruding lead terminal portions into through-holes formed in said base holder means.
Claim 11
Dependent Claim 42 words
A resistor device for a blower motor according to claim 9 wherein a small projection for engagement is formed on a lateral side of each protruding lead terminal portion to prevent said lead terminal portion from slipping out from said through hole.
Claim 12
Dependent Claim 68 words
A resistor device for a blower motor comprising: a PTC element plate having two side surfaces; a plurality of electrodes disposed on at least one of said two side surfaces; and a plurality of electrodes members being adapted to contact with said electrodes of said PTC element plate, said electrode members being electrically separated from each other, and each of said electrode members having a lead terminal portion.
Claim 13
Dependent Claim 68 words
A resistor device for a blower motor comprising: a PTC element plate having two side surfaces; a plurality of electrodes disposed on at least one of said two side surfaces; and a plurality of electrodes members being adapted to contact with said electrodes of said PTC element plate, said electrode members being electrically separated from each other, and each of said electrode members having a lead terminal portion.
Claim 14
Dependent Claim 33 words
A resistor device for a blower motor according to claim 11, wherein each of said electrode members is formed so as to correspond to each of said electrodes of said PTC element plate.
Claim 15
Dependent Claim 38 words
A resistor device for a blower motor according to claim 11, wherein at least one of said electrode members is formed so as to span over and between a plurality of said electrodes of said PTC element plate.
Claim 16
Dependent Claim 37 words
A resistor device for a blower motor according to claim 11, wherein only one electrode is disposed on the other side surface of said PTC element plate covering almost an entire area of the other side surface.
Claim 17
Dependent Claim 29 words
A resistor device for a blower motor according to claim 11, wherein a plurality of electrodes are also disposed on the other side surface of said PTC element plate.
Claim 18
Dependent Claim 25 words
A resistor device for a blower motor according to claim 11, wherein electrodes are disposed on only one side surfaces of said PTC element plate.
Claim 19
Dependent Claim 49 words
A resistor device for a blower motor according to claim 11 and further comprising an electric insulation plate, said PTC element plate and said electric insulation plate being held and secured together so that said electrode members are positioned between said PTC element plate and said electric insulation plate.
Claim 20
Dependent Claim 23 words
A resistor device for a blower motor according to claim 11, wherein each of said members has a lead terminal portion protruding therefrom.
Claim 21
Dependent Claim 53 words
A resistor device for a blower motor according to claim 18, wherein said PTC element plate and said electrode members are installed in a base holder means so as to be combined together and pressed against each other by inserting said protruding lead terminal portions into through-holes formed in said base holder means.
Claim 22
Dependent Claim 40 words
A resistor device for a blower motor according to claim 19, wherein a small projection for engagement is formed on a lateral side of each protruding lead terminal portion to prevent said terminal portion from slipping out from said through-hole.

References Cited (Backward Citations)

US3691503A Cited
FR2348614A1 Cited
FR2392521A1 Cited
US4408244A Cited
EP0036319A1 Cited
US4935717A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-12-06 1997-06-07 1997-12-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-12-06 2001-06-07 2001-12-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-12-06 2005-06-07 2005-12-07 $7700.00 Window Closed / Lapsed

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