# US 5,341,796 A · Turn in place mounting

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- Number: US 5,341,796 A
- Document ID: US5341796A
- Status: Granted
- Kind: A
- Application number: 08/143,451
- Filed: 1993-10-26
- Granted: 1994-08-30
- Earliest claimed: 1993-10-26
- Assignees: Carrier Corporation
- Inventors: Scott A. Beck; Rex R. Mills; Timothy J. Waterman
- Web page: https://patentgrep.com/patent/US5341796A

## CPC

- F24H 9/2085: {using fluid fuel}
- F24H: FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL (steam generation F22)

## Abstract

A furnace for supplying circulated heated air to a comfort zone, the furnace having a condensing heat exchanger and a blower for moving ambient air over the heat exchanger, wherein a transformer for stepping down line voltage (115 VAC) to control voltage (24 VAC) is secured to the inner surface of an enclosed housing within the furnace wherein the inner wall also supports at least one retaining bracket and one fastenable support bracket. A first flange extending from the transformer engages the retaining bracket to rotatably support the transformer. A second flange extending from the transformer engages the fastenable support bracket to secure and further support the transformer supported within the housing. A threaded member secures the fastenable support bracket to the second flange, thereby preventing disengagement.

## Claims

### Claim 1

In a furnace of the type having a transformer for stepping down line voltage (115 VAC) to control voltage (24 VAC), wherein the furnace has an enclosed housing therein, the housing having a wall completely enclosed within the furnace wherein said wall has an inner and outer surface; and the blower is secured within the housing to the inner surface of said wall, the furnace including,
at least one retaining member extending from the inner surface of said wall, said at least one retaining member engaging a first flange on the transformer to rotatably support said first flange;
a fastenable support member extending from said wall so that upon rotation of the transformer said fastenable support member engages a second flange of said transformer to further support the transformer; and
fastening means for securing said fastenable retaining member to said second flange.

### Claim 2 (depends on 1)

The apparatus of claim 1 wherein said at least one retaining member includes at least one semicircular retaining bracket and said fastenable support member further includes a partial disc shaped fastenable bracket.

### Claim 3 (depends on 1)

The apparatus of claim 1 wherein a section of said wall is formed out of the plane of said wall and away from said housing to divert the flow of moisture along the outer surface of said wall.

### Claim 4 (depends on 1)

The apparatus of claim 1 wherein said fastening means comprises a threaded fastener.

### Claim 5 (depends on 1)

The apparatus of claim 1 wherein said at least one retaining member includes a plurality of semicircular brackets for accommodating alternative size transformers wherein each of said semicircular brackets is located at a predetermined distance from said fastenable support member, and wherein said semicircular brackets are staggered so that said multiple semicircular brackets are out of alignment with any one other of said multiple semicircular brackets and said fastenable support member.

### Claim 6 (depends on 3)

The apparatus of claim 3 wherein said at least one retaining member and said fastenable support member are mounted to said section of said wall.