# US 2014/0197299 A1 · Vibration isolation system

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- Number: US 2014/0197299 A1
- Document ID: US20140197299A1
- Status: Published application
- Kind: A1
- Application number: 13/742,891
- Filed: 2013-01-16
- Published: 2014-07-17
- Earliest claimed: 2013-01-16
- Assignees: Hewlett-Packard Development Company, L.P.
- Applicants: Hewlett-Packard Development Company, L.P.
- Inventors: Charles H. OPPENHEIMER; Russell P. YEAROUT; Allen F. ZANDONATTI
- Web page: https://patentgrep.com/patent/US20140197299A1

## CPC

- F16F 1/36: made of rubber or other material having high internal friction, {e.g. thermoplastic elastomers (spring units consisting of several springs F16F3/08)}
- F16F 15/04: using elastic means (single elements or their attachment F16F1/00 - F16F13/00); {(F16F15/023, F16F15/03 take precedence)}
- F16F: SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION

## Abstract

A vibration isolation system, including a housing and a first isolation member which further includes a receptacle to receive an outer body of a motor, a first plurality of compliant arms, and a second plurality of compliant arms. Each compliant arm of the first isolation member has a first end and a second end. The first end of each of the compliant arms is coupled to the receptacle, and the second end of each of the compliant arms is coupled to the housing.

## Claims

### Claim 1

A vibration isolation system, comprising:
a housing; and
a first isolation member comprising a receptacle to receive an outer body of a motor, a first plurality of compliant arms, and a second plurality of compliant arms;
wherein each compliant arm of the first isolation member has a first end and a second end, the first end of each of the compliant arms is coupled to the receptacle, and the second end of each of the compliant arms is coupled to the housing.

### Claim 2 (depends on 1)

The vibration isolation system of claim 1, wherein first isolation member is monolithically formed.

### Claim 3 (depends on 2)

The vibration isolation system of claim 2, wherein the first isolation member comprises a creep resistant material.

### Claim 4 (depends on 1)

The vibration isolation system of claim 1, wherein the motor is suspended within the housing via the first isolation member.

### Claim 5 (depends on 1)

The vibration isolation system of claim 1, further comprising:
a second isolation member comprising a receptacle to receive the outer body of the motor, a third plurality of compliant arms, and a fourth plurality of compliant arms;
wherein each of the compliant arm of the second isolation member has a first end and a second end, the first end of each of the compliant arms is coupled to the receptacle, and the second end of each of the compliant arms is coupled to the housing.

### Claim 6 (depends on 5)

The vibration isolation system of claim 5, wherein the outer body of the motor has a central axis, and the second isolation member is axially offset from the first isolation member.

### Claim 7 (depends on 6)

The vibration isolation system of claim 6, wherein the first isolation member is circumferentially offset from the second isolation member relative to the central axis.

### Claim 8 (depends on 7)

The vibration isolation system of claim 7, wherein the first isolation member is circumferentially offset approximately 90 degrees from the second isolation member relative to the central axis.

### Claim 9 (depends on 7)

The vibration isolation system of claim 7, wherein the housing further comprises:
a first housing member; and
a second housing member.

### Claim 10 (depends on 9)

The vibration isolation system of claim 9, wherein both the first and second isolation members are coupled to the second housing member.

### Claim 11 (depends on 5)

The vibration isolation system of claim 5, wherein the motor is suspended within the housing via first isolation member and the second isolation member.

### Claim 12 (depends on 9)

The vibration isolation system of claim 9, wherein the first housing member is arranged to releasably couple to the second housing member.

### Claim 13 (depends on 1)

The vibration isolation system of claim 1, wherein the first isolation member further comprises an aperture to allow one of a motor shaft and an electrode to pass therethrough.

### Claim 14

A vibration isolation member, comprising:
a receptacle to receive an outer body of a motor;
a first plurality of compliant arms;
a second plurality of compliant arms;
wherein each of the compliant arms has a first end and a second end, the first end of each of the compliant arms is coupled to the receptacle, and the second end of each of the compliant arms is arranged to couple to a support structure; and
wherein the vibration isolation member is arranged to suspend a motor.

### Claim 15 (depends on 14)

The vibration isolation member of claim 14, wherein the second ends of the first plurality of compliant arms are coupled together, and wherein the second ends of the second plurality of compliant arms are coupled together.

### Claim 16 (depends on 14)

The vibration isolation member of claim 14, further comprising a plurality of bridge members coupling the receptacle to the first end of each of the compliant arms.

### Claim 17 (depends on 14)

The vibration isolation member of claim 14, wherein the compliant arms and the receptacle are all monolithically formed.

### Claim 18 (depends on 17)

The vibration isolation member of claim 17, wherein the compliant arms and the receptacle all comprise a creep resistant material.

### Claim 19 (depends on 14)

The vibration isolation member of claim 14, wherein the receptacle has an aperture, to allow one of a motor shaft or electrodes to pass therethrough.

### Claim 20

A vibration isolation system, comprising:
a housing comprising a central axis, a first housing member, and a second housing member;
a first isolation member comprising a receptacle to receive an outer body of a motor, a first plurality of compliant arms, and a second plurality of compliant arms; and
a second isolation member comprising a receptacle to receive the outer body of a motor, a third plurality of compliant arms, and a fourth plurality of compliant arms;
wherein each compliant arm of the first isolation member has a first end and a second end, the first end of each of the compliant arms is coupled to the receptacle, and the second end of each of the compliant arms is coupled to the second housing member;
wherein each of the compliant arm of the second isolation member has a first end and a second end, the first end of each of the compliant arms is coupled to the receptacle, and the second end of each of the compliant arms is coupled to the second housing member; and
wherein each compliant arm of the first and second isolation members is oriented in a non-radial direction with respect to the central axis.
