{
  "$type": "site.standard.document",
  "description": "A noise-reduction system for pneumatic quick release valves includes a module attachable to an exhaust outlet of an existing valve or integrated directly into a valve housing. Noise reduction may be achieved using either a single asymmetric discharge outlet or multiple outlets, depending on…",
  "path": "/patents/1385407",
  "publishedAt": "2026-06-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T17/008",
    "Kenneth R. Andersen, II"
  ],
  "textContent": "A noise-reduction system for pneumatic quick release valves includes a module attachable to an exhaust outlet of an existing valve or integrated directly into a valve housing. Noise reduction may be achieved using either a single asymmetric discharge outlet or multiple outlets, depending on implementation. In various embodiments, noise reduction is achieved using expansion chambers, turbulence-generating features, or exhaust-port geometries—including single or multiple non-circular outlets—configured to disrupt coherent airflow and reduce tonal and broadband noise. Optional features include resonator cavities, micro-structured liners, perforated elements, porous or composite media, and additive-manufactured structures. The system may be implemented as a retrofit module or as part of an original-equipment valve assembly and may include sensors or diagnostic features for performance monitoring. The disclosed designs maintain required brake-system performance and durability for heavy-duty vehicle environments.",
  "title": "NOISE REDUCTION SYSTEMS FOR QUICK RELEASE VALVES"
}