Diaphragm brake cylinder for motor vehicles.

摘要

A diaphragm brake cylinder comprises: guide means (34) interposed between the stem of the transmission member (22, 26) and the tubular body (16), for allowing relative movement between the transmission member and the tubular body, consisting of a channel-like annular member (34) mounted in the tubular body (16) with its concavity facing the outlet chamber (10) and having in its dorsal region at least one opening (50) for allowing the operating fluid to flow between the outlet chamber and the cavity of the tubular body, and a filter element (48) housed in the concavity of the annular guide member and intended to filter the operating fluid flowing between the outlet chamber and the tubular body during operation.