US4258785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger interplate fitting
Assignee: LONG MANUFACTURING Ltd A CORP OF CANADA
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Filing: 1980-02-08
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Granted: 1981-03-31
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Expires: 2000-02-08
Abstract
Abstract An interplate inlet, outlet or other suitable fitting for use in a closely stacked plate heat exchanger which allows the placement of the fitting between the plates at any point along the length of the inlet or outlet header tank formed by the heat exchange plates. The fitting includes a pair of oppositely disposed facing substantially identical plates providing bubbles aligned with the bubbles at the ends of the heat exchanger plates and opening into a laterally extending conduit to be joined to a fluid hose or to receive appropriate fittings to receive a sensor or having internal threads to receive an externally threaded fitting.
Inventors
- 👤 Richard P. Beldam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:13
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/0246; F28F9/0251; F28D; F28D1/00; F28D1/02; F28D1/03; F28D1/0308; F28D1/0325; F28D1/0333; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/464; Y10S165/465
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
108 words
An interplate fitting for a stacked plate heat exchanger wherein each plate in the stack comprises a pair of facing dished members joined by abutting peripheral flanges and having outwardly extending bubbles at the opposite ends, said bubbles of adjacent plates abutting and having axially aligned openings to form header tanks, the interplate fitting being inserted in place of a pair of abutting bubbles of two adjacent plates and having a pair of dished fitting plates provided with abutting peripheral edges and oppositely disposed bubbles having openings in axial alignment with said plate bubbles, and laterally extending semi-cylindrical conduit portions on said fitting plates communicating with said bubbles.
Claim 2
Dependent Claim
108 words
An interplate fitting for a stacked plate heat exchanger wherein each plate in the stack comprises a pair of facing dished members joined by abutting peripheral flanges and having outwardly extending bubbles at the opposite ends, said bubbles of adjacent plates abutting and having axially aligned openings to form header tanks, the interplate fitting being inserted in place of a pair of abutting bubbles of two adjacent plates and having a pair of dished fitting plates provided with abutting peripheral edges and oppositely disposed bubbles having openings in axial alignment with said plate bubbles, and laterally extending semi-cylindrical conduit portions on said fitting plates communicating with said bubbles.
Claim 3
Dependent Claim
41 words
An interplate fitting as set forth in claim 1, in which a pair of modified dished members are paired with a pair of said dished members to omit said abutting bubbles of the heat exchange plates to accommodate said fitting plates.
Claim 4
Dependent Claim
52 words
An interplate fitting as set forth in claim 2, in which each modified dished member has a bubble at one end and a substantially flat surface at the opposite end having an opening therein, said modified dished member facing a dished member to provide an adjacent pair of modified heat exchange plates.
Claim 5
Dependent Claim
38 words
An interplate fitting as set forth in claim 3, in which an axial flange defines said opening in said fitting plate, said flange being received in the adjacent opening of the flat surface of a modified dished member.
Claim 6
Dependent Claim
26 words
An interplate fitting as set forth in claim 1, in which said semi-cylindrical conduit portions form a tubular fitting adapted to receive a suitable adapter member.
Claim 7
Dependent Claim
20 words
An interplate fitting as set forth in claim 5, in which said adapter member is secured within the tubular fitting.
Claim 8
Dependent Claim
32 words
An interplate fitting as set forth in claim 6, in which said adapter member comprises a tubular member having an annular embossment at one end over which a flexible hose is clamped.
Claim 9
Dependent Claim
19 words
An interplate fitting as set forth in claim 6, in which said adapter member comprises an internally threaded ring.
Claim 10
Dependent Claim
27 words
An interplate fitting as set forth in claim 8, in which an externally threaded member is inserted in the ring and has a smooth cylindrical interior surface.
Claim 11
Dependent Claim
30 words
An interplate fitting as set forth in claim 9, in which said externally threaded member is formed of plastic material and has a radial flange abutting the internally threaded ring.
References Cited (Backward Citations)
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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) | 1984-03-30 | 1984-09-29 | 1985-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-30 | 1988-09-29 | 1989-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-30 | 1992-09-29 | 1993-03-31 | $7700.00 | Window Closed / Lapsed |