Patent US4061252A successfully refreshed from Google Patents.
Patent US4340357A successfully refreshed from Google Patents.
US4340357A
Expired / Lapsed
US
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Infrared radiation gas burner plate
Assignee: RINNAI RINNAI Corp KK
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Filing: 1979-09-25
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Granted: 1982-07-20
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Expires: 1999-09-25
Abstract
Abstract This invention relates to an infrared radiation gas burner plate of the type that a plate member composed chiefly of ceramic is provided with a large number of distributed burner holes therethrough.
Inventors
- 👤 Michimasa Kito
- 👤 Toshiyuki Nomura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:14
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/12; F23D14/14; F23D14/145
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
164 words
An infrared radiation gas burner plate of the type that a plate member composed chiefly of ceramic is provided with a large number of distributed burner holes made therethrough, characterized in that plural ribs, each of which is nearly V-shaped in section and comprises a linear ridge and a pair of slants on both sides of the ridge, are provided in parallel one with another on the obverse surface of the plate member, and each valley formed between mutually opposite slants of each adjacent pair of the ribs is formed into a groove of nearly channel-shaped in section, and the foregoing burner holes are arranged to be composed of plural central burner holes disposed in a line in each groove, and respective four peripheral burner holes surrounding each central burner hole and disposed in the opposite slant of both sides of the central burner hole, and these burner holes on both outsides of each ridge are so arranged as to be differentiated in phase.
Claim 2
Dependent Claim
164 words
An infrared radiation gas burner plate of the type that a plate member composed chiefly of ceramic is provided with a large number of distributed burner holes made therethrough, characterized in that plural ribs, each of which is nearly V-shaped in section and comprises a linear ridge and a pair of slants on both sides of the ridge, are provided in parallel one with another on the obverse surface of the plate member, and each valley formed between mutually opposite slants of each adjacent pair of the ribs is formed into a groove of nearly channel-shaped in section, and the foregoing burner holes are arranged to be composed of plural central burner holes disposed in a line in each groove, and respective four peripheral burner holes surrounding each central burner hole and disposed in the opposite slant of both sides of the central burner hole, and these burner holes on both outsides of each ridge are so arranged as to be differentiated in phase.
Claim 3
Dependent Claim
28 words
An infrared radiation gas burner plate as claimed in claim 1, wherein the ribs and the grooves are in parallel with the side edge of the plate member.
Claim 4
Dependent Claim
27 words
An infrared radiation gas burner plate as claimed in claim 1, wherein the ribs and the grooves are oblique to the side edge of the plate member.
Claim 5
Dependent Claim
37 words
An infrared radiation gas burner plate as claimed in any one of claims 1, 2 or 3, wherein each burner hole is about 1 mm in diameter, and each groove is 0.5 mm or more in depth.
References Cited (Backward Citations)
SU237321A1
Cited
US3179155A
Cited
US3291188A
Cited
FR1408445A
Cited
US3558252A
Cited
US3751213A
Cited
US3825403A
Cited
US3954387A
Cited
FR2223631A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-07-19 | 1986-01-18 | 1986-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-19 | 1990-01-18 | 1990-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-19 | 1994-01-18 | 1994-07-20 | $7700.00 | Window Closed / Lapsed |