# US 2013/0156614 A1 · Sound enclosure for enclosing a compressor assembly

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- Number: US 2013/0156614 A1
- Document ID: US20130156614A1
- Status: Published application
- Kind: A1
- Application number: 13/681,587
- Filed: 2012-11-20
- Published: 2013-06-20
- Earliest claimed: 2011-12-16
- Assignees: Emerson Climate Technologies, Inc.
- Inventors: Mark A. Bonifas
- Web page: https://patentgrep.com/patent/US20130156614A1

## CPC

- G10K 11/16: Methods or devices for protecting against, or for damping, noise or other acoustic waves in general (G10K11/36 takes precedence)
- F04B 39/0033: {with encapsulations}
- Y10T 29/49947: by applying separate fastener
- G10K: SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- F04B: POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS (machines for liquids, or pumps, of rotary-piston or oscillating-piston type F04C; non-positive-displacement pumps F04D; pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped F04F)
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A sound enclosure for enclosing a compressor assembly in an assembled state can include at least one cover piece, a shoe member, and a base. The shoe member can include a partial circumferential wall that projects upright from a generally planar portion. One of the partial circumferential wall or the cover piece has a projected portion. The other of the partial circumferential wall or the cover piece has a recessed portion. In the assembled state, the projected portion nests into the recessed portion. The base includes an outer contact area. The shoe member includes an outer perimeter. In the assembled state, the outer contact area is in contact with the outer perimeter of the shoe member.

## Claims

### Claim 1

A sound enclosure for enclosing a compressor assembly in an assembled state, the sound enclosure comprising:
at least one cover piece;
a shoe member including a partial circumferential wall projecting upright from a generally planar portion, wherein one of the partial circumferential wall or the cover piece has a projected portion and the other of the partial circumferential wall or the cover piece has a recessed portion, whereby in an assembled state the projected portion nests into the recessed portion; and
a base including an outer contact area wherein the shoe member includes an outer perimeter, whereby in the assembled state the outer contact area is in contact with the outer perimeter of the shoe member.

### Claim 2 (depends on 1)

The sound enclosure of claim 1 wherein the shoe member includes first and second shoe members each having a joint area wherein one of the joint area of the first shoe member or the joint area of the second shoe member has an extending portion and the other of the joint area of the first shoe member or the joint area of the second shoe member has a depressed portion, whereby in the assembled state the extending portion nests into the depressed portion.

### Claim 3 (depends on 2)

The sound enclosure of claim 2 wherein the first shoe member includes a first partial circumferential wall projecting upright from a first generally planar portion and the second shoe member includes a second partial circumferential wall projecting upright from a second generally planar portion, wherein the extending portion is formed on both of the first partial circumferential wall and the first generally planar portion and the depressed portion is formed on both of the second partial circumferential wall and second generally planar portion.

### Claim 4 (depends on 3)

The sound enclosure of claim 3 wherein the first partial circumferential wall overlaps the second partial circumferential wall at the joint area and wherein the at least one cover piece overlaps the first partial circumferential wall at the joint area.

### Claim 5 (depends on 2)

The sound enclosure of claim 2 wherein (i) one of a portion of the partial circumferential wall or a portion of the cover piece; (ii) one of a portion of the outer contact area or the outer perimeter, and (iii) one of the extending portion or depressed portion of the joint area is lined with isolating material.

### Claim 6 (depends on 1)

The sound enclosure of claim 1 wherein the outer contact area of the base includes a radially extending portion and the outer perimeter of the shoe member defines an annular groove whereby in the assembled state the radially extending portion nests into the annular groove.

### Claim 7 (depends on 1)

The sound enclosure of claim 1 wherein the at least one cover piece includes a first cover piece and a second cover piece, whereby in the assembled state the first and second cover pieces are fastened to each other.

### Claim 8 (depends on 7)

The sound enclosure of claim 7, further comprising at least one mechanical fastener that couples the first and second cover pieces together.

### Claim 9 (depends on 1)

The sound enclosure of claim 1 wherein the at least one cover piece is coupled to the shoe member.

### Claim 10 (depends on 1)

A compressor assembly comprising:
the sound enclosure of claim 1 wherein the shoe member defines a first aperture and the base defines a second aperture;
a hermetic shell including a lower shell member defining a third aperture; and
a mounting assembly including:
a fastener; and
first, second, and third isolation members, whereby in a mounted state the fastener extends through the first, second, and third isolation members and secures the sound enclosure to a mounting structure such that a portion of the first isolation member is located within the first aperture and isolates the fastener from the shoe member, a portion of the second isolation member is located within the second aperture and isolates the base from the fastener and the mounting structure, a portion of the third isolation member is located within the third aperture and isolates the lower shell member from the fastener and the base.

### Claim 11 (depends on 10)

The sound enclosure of claim 10 wherein in the assembled state the interior surface of the at least one cover piece is lined with a sound attenuating material.

### Claim 12 (depends on 11)

The sound enclosure of claim 11 wherein in the assembled state the interior surface of the shoe member is lined with a sound attenuating material.

### Claim 13

A method of assembling a sound enclosure that encloses a compressor, the method comprising:
locating the compressor on a base;
locating a first shoe member over a lower shell member of the compressor;
locating a second shoe member over the lower shell member of the compressor;
wherein locating the first and second shoe members comprises nesting extending portions on one of the first and second shoe members into recessed portions formed on the other of the first and second shoe members; and
advancing at least one fastener through cooperatively aligned apertures in the first and second shoe members.

### Claim 14 (depends on 13)

The method of claim 13, further comprising:
engaging a hanger tab extending from the compressor; and
moving the compressor, base and first and second shoe members as a collective unit while applying a force to the hanger tab.

### Claim 15 (depends on 13)

The method of claim 13, further comprising:
locating first and second cover pieces on the respective first and second shoe members.

### Claim 16 (depends on 15)

The method of claim 15 wherein locating the first and second cover portions comprises:
nesting projected portions of the first and second shoe members into respective recessed portions of the first and second cover pieces.

### Claim 17 (depends on 16)

The method of claim 16, further comprising:
overlapping the first and second cover pieces with partial circumferential walls of the first and second shoe members.

### Claim 18 (depends on 17)

The method of claim 17, further comprising:
advancing mechanical fasteners through the first and second cover pieces.
