US 5,289,848 A · Combination noise suppressor and air filter and milking machine pressure regulator

Abstract

A combination noise suppressor and air filter fits closely around a pressure regulator for milking machines, in such tight-fitting sealed relationship that little or no air or dirt can enter except through a relatively large diameter washable air filter which can be removed and cleaned even while the milking machine is running. The air passing inwardly through such filter also passes through the bars of a cage which support the filter against collapse. A noise suppressor, formed of a laminate of rigid and soft synthetic resin, is provided, and has apertures therethrough through which air passes downwardly after entering through the air filter. After thus passing downwardly, the air is in a chamber that contains the inlet ports of the pressure regulator portion of the combination, the upper wall of the chamber having convolutions which cooperate with sound-absorbing side and bottom walls of the chamber to absorb sound that is generated when air enters into the regulator. Any sound escaping through the apertures in the suppressor is largely absorbed by a sound-absorbing wall at the upper region of the apparatus.

Claims18

Dependent claims

A combination noise suppressor, air filter, and pressure regulator for milking machine systems, which comprises:

a pressure regulator for milking machine systems,
said pressure regulator comprising an air dome, a body connected to said air dome, and valve and port means in said body to admit air into said pressure regulator in order to maintain substantially constant the pressure in the associated milking machine,
a combination air filter and noise suppressor,
said combination air filter and noise suppressor comprising a housing mounted around at least a large portion of said air dome and communicating with said valve and port means,
said housing having an opening therein that receives said air dome, said opening being defined by an edge near said air dome,
said combination air filter and noise suppressor further comprising inlet-opening means into said housing and an air filter to filter ambient air that enters said housing through said inlet-opening means and thereafter enters said pressure regulator through said valve and port means,
said combination air filter and noise suppressor further comprises noise absorbing and deadening means mounted in said housing to suppress noise generated at said valve and port means as said air enters therethrough into said pressure regulator.

4 more elements

Dependencies are inferred from the claim text.

Combination noise suppressor and air filter and milking machine pressure regulator

Life of this patent

Combination noise suppressor and air filter and milking machine pressure regulator

Life of this patent

Abstract

Claims18