US4007781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchange system
Assignee: Individual
•
Filing: 1974-11-15
•
Granted: 1977-02-15
•
Expires: 1994-11-15
Abstract
Abstract A heat exchange system for heating a plurality of separate locations or for dissipating heat from a heat source at a region remote therefrom. A plurality of heat exchange devices in the form of flexible containers or envelopes, are mounted in heat exchange, or thermal, relationship with a conveying means which conveys a heated fluid material from a heat source. The containers are mounted so as to be maintained in a substantially extended relationship with the conveying means so that the heat from the heated fluid is effectively transferred via the heat exchange device to the regions adjacent thereto, substantially primarily by convection.
Inventors
- 👤 Richard M. Masters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:28
CPC Classifications
F; F28; F28D; F28D15/00; F28D15/02; F28D15/04; A; A01; A01G; A01G13/00; A01G13/06; F28B; F28B9/00; F28D15/0266; F28F; F28F21/00; F28F21/06; Y; Y10; Y10S; Y10S165/00; Y10S165/044
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
78 words
A fluid conveying means in the form of a pipe comprising a tubular core of thermal insulation material; an outer layer on said core of a fluid and wear resistant material; an inner layer within said core of a vapor impermeable material, only the inner layer of said conveying means being capable of substantially completely collapsing under conditions wherein a minimum pressure difference exists between the pressure external to said pipe and the pressure within said inner layer.
Claim 2
Dependent Claim
78 words
A fluid conveying means in the form of a pipe comprising a tubular core of thermal insulation material; an outer layer on said core of a fluid and wear resistant material; an inner layer within said core of a vapor impermeable material, only the inner layer of said conveying means being capable of substantially completely collapsing under conditions wherein a minimum pressure difference exists between the pressure external to said pipe and the pressure within said inner layer.
Claim 3
Dependent Claim
30 words
A fluid conveying means in accordance with claim 1 wherein at least one of said tubular core and said outer layer provides support for said layer of vapor impermeable material.
Claim 4
Dependent Claim
39 words
A fluid conveying means in accordance with claim 1 wherein at least one of said outer layers provides additional protection for said layer of vapor impermeable material against external forces which would prevent operation of said fluid conveying means.
Claim 5
Dependent Claim
38 words
A fluid conveying means in accordance with claim 1 wherein said tubular core and said outer layer have one or more openings for permitting the pressure external to said pipe to reach said layer of vapor impermeable material.
References Cited (Backward Citations)
US1100829A
Cited
US2112737A
Cited
US2097862A
Cited
US2652093A
Cited
US3425455A
Cited
US3384089A
Cited
US3665968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-15 | 1980-08-16 | 1981-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-15 | 1984-08-16 | 1985-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-15 | 1988-08-16 | 1989-02-15 | $7700.00 | Window Closed / Lapsed |