# US 5,707,006 A · Infant incubator heater assembly

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- Number: US 5,707,006 A
- Document ID: US5707006A
- Status: Granted
- Kind: A
- Application number: 08/703,795
- Filed: 1996-08-27
- Granted: 1998-01-13
- Earliest claimed: 1996-08-27
- Inventors: Vedran Skulic
- Web page: https://patentgrep.com/patent/US5707006A

## CPC

- H05B 3/50: heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
- A61G 11/00: Baby-incubators; Couveuses
- A61F 2007/0088: {Radiating heat}
- H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- A61G: TRANSPORT, PERSONAL CONVEYANCES OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS (appliances for aiding patients or disabled persons to walk A61H3/00); OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES (embalming corpses A01N1/00)
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)

## Abstract

An infant incubator heater assembly having a heat radiator which is removably mounted, so that it can be removed for cleaning and maintenance. The heat radiator has a plurality of radially extending fins. In the removal and installation of the heat radiator, it slides along a cartridge heater with which the heat radiator is closely fitted for heat transfer. Preferably, the cartridge heater is mounted for self-alignment to accommodate the close fit between the heat radiator and the cartridge heater and prevent binding as the heat radiator is removed or installed.

## Claims

### Claim 1

An infant incubator heater assembly comprising:
a mounting plate adapted for attachment to a base of an incubator;
a mounting bushing mounted to said mounting plate;
a heat radiator removably attached to said mounting bushing and having a plurality of radially extending fins; and
a cartridge heater extending through said heat radiator in heat transfer relationship with said heat radiator and mounted to said mounting bushing.

### Claim 2 (depends on 1)

An incubator heater assembly according to claim 1 wherein:
(a) said mounting bushing has an external thread, and
(b) said heat radiator has an extension with an internal thread which engages said external thread of said mounting bushing for removable attachment of said heat radiator to said mounting bushing.

### Claim 3

An incubator heater assembly comprising:
a compartment;
a heater assembly positioned in said compartment and having:
(a) a mounting plate adapted for attachment to a wall of said compartment,
(b) a mounting bushing mounted to said mounting plate,
(c) a heat radiator removably attached to said mounting bushing and having a plurality of radially extending fins, and
(d) a cartridge heater extending through said heat radiator in heat transfer relationship with said heat radiator and mounted to said mounting bushing;
a fan for forcing air into said compartment for passage of said air past said fins of said heat radiator; and
means for supplying power to said cartridge heater.

### Claim 4 (depends on 3)

An incubator heater assembly according to claim 3 wherein:
(a) said mounting bushing has an external thread, and
(b) said heat radiator has an extension with an internal thread which engages said external thread of said mounting bushing for removable attachment of said heat radiator to said mounting bushing.