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US4323191A Expired / Lapsed US ⏱️ 0.0 years remaining

Humidifying apparatus for an air-conditioning equipment

Assignee: Bosch Corp
•
Filing: 1980-03-12
•
Granted: 1982-04-06
•
Expires: 2000-03-12
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Abstract

Abstract A humidifying apparatus for equipment for conditioning the air of vehicle has a humidity detecting circuit and a humidifying device including a spray nozzle. The humidifying device is intermittently operated by a control device. Thus, humidity in the vehicle cabin can be controlled so as to be maintained at a desired value while keeping the humidity in the cabin uniform.

Inventors

  • 👤 Tsuneyuki Chiyoda
  • 👤 Masami Ohtani

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 17:17
CPC Classifications
B; B60; B60H; B60H3/00; B60H3/02; B60H3/022; G; G05; G05D; G05D22/00; G05D22/02; F; F24; F24F; F24F11/00; F24F11/30; F24F6/00; F24F6/12; F24F6/14; F24F2006/143; F24F2110/00; F24F2110/20

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 105 words
An apparatus for humidifying the air of a vehicle, comprising means including a humidity sensor adapted to be disposed at a given position within the vehicle for producing a detecting signal indicating the humidity at said position has attained a predetermined value; a humidfying device for humidifying air within said vehicle; a pulse generator for producing a repetitive pulse signal having a predetermined period at predetermined intervals; and control means receiving said detecting signal and said pulse signal for operating said humidifying device periodically in accordance with said predetermined period of said pulse signal when the humidity at said location is below said predetermined value.
Claim 2
Independent Claim 105 words
An apparatus for humidifying the air of a vehicle, comprising means including a humidity sensor adapted to be disposed at a given position within the vehicle for producing a detecting signal indicating the humidity at said position has attained a predetermined value; a humidfying device for humidifying air within said vehicle; a pulse generator for producing a repetitive pulse signal having a predetermined period at predetermined intervals; and control means receiving said detecting signal and said pulse signal for operating said humidifying device periodically in accordance with said predetermined period of said pulse signal when the humidity at said location is below said predetermined value.
Claim 3
Dependent Claim 32 words
An apparatus according to claim 1, said control means including a gate circuit receiving said detecting signal and said pulse signal for passing said detecting signal during receipt of said pulse signal.
Claim 4
Independent Claim 24 words
An apparatus according to either of claims 1 or 2, said pulse signal being produced for approximately five seconds during each thirty second interval.
Claim 5
Dependent Claim 25 words
An apparatus according to claim 1, said humidifying device including a spray nozzle positioned before an evaporator unit of an air conditioner of said vehicle.
Claim 6
Independent Claim 18 words
An apparatus according to any of claims 1, 2 or 4, said humidity sensor being a ceramic sensor.

References Cited (Backward Citations)

US3404873A Cited
SU567031A1 Cited
US4042016A Cited
US4042016B1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-04-05 1985-10-05 1986-04-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-04-05 1989-10-05 1990-04-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-04-05 1993-10-05 1994-04-06 $7700.00 Window Closed / Lapsed

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