US4401013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning device
Assignee: Nissan Motor Co Ltd
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Filing: 1981-04-29
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Granted: 1983-08-30
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Expires: 2001-04-29
Abstract
Abstract An auxiliary air conditioning device is mounted to a rear parcel shelf above a trunk room of a motor vehicle for assisting a major air conditioning device. The auxiliary air conditioning device has therein an air cleaner and at least one of an electric heater and an electric humidifier.
Inventors
- 👤 Toshio Ohashi
- 👤 Yoshihiko Muto
- 👤 Masaru Takasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:24
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/22; B60H1/2215; B60H1/2225; B60H1/00007; B60H1/00207; B60H1/24; B60H1/241; B60H1/244; B60H3/00; B60H3/02; B60H3/022; B60H2001/2268; B60H2001/2293; Y; Y10; Y10S; Y10S261/00; Y10S261/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
In a motor vehicle having a passenger compartment and a trunk which are isolated from each other and bounded by a partition wall, an air conditioning device comprising: a housing secured to said partition wall so as to project into said trunk, said housing having an air intake passage and an air discharge passage which are both open to the interior of said passenger compartment through respective openings formed in said partition wall, said housing also having first and second independent passages by which said air intake and discharge passages are connected independently of each other; an air cleaner disposed in said air intake passage for cleaning air passing therethrough; an electric heater disposed in said air discharge passage for warming air passing therethrough, adjacent said partition wall; a humidifier disposed in said first independent passage for damping air passing therethrough; an electric fan disposed in said air discharge passage for producing air flow in a direction from said air intake passage to said air discharge passage through said first and second independent passages; and a damper door swingably disposed in said housing to selectively open and close said first and second independent passages.
Claim 2
Dependent Claim
194 words
In a motor vehicle having a passenger compartment and a trunk which are isolated from each other and bounded by a partition wall, an air conditioning device comprising: a housing secured to said partition wall so as to project into said trunk, said housing having an air intake passage and an air discharge passage which are both open to the interior of said passenger compartment through respective openings formed in said partition wall, said housing also having first and second independent passages by which said air intake and discharge passages are connected independently of each other; an air cleaner disposed in said air intake passage for cleaning air passing therethrough; an electric heater disposed in said air discharge passage for warming air passing therethrough, adjacent said partition wall; a humidifier disposed in said first independent passage for damping air passing therethrough; an electric fan disposed in said air discharge passage for producing air flow in a direction from said air intake passage to said air discharge passage through said first and second independent passages; and a damper door swingably disposed in said housing to selectively open and close said first and second independent passages.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-29 | 1987-02-28 | 1987-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-29 | 1991-02-28 | 1991-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-29 | 1995-02-28 | 1995-08-30 | $7700.00 | Window Closed / Lapsed |