Respirator

Abstract

A respirator is provided. A housing has an air inlet communicating with outside atmosphere; a separator plate is arranged on the housing and provided with an air blower containing cavity, and an air blower body is mounted in the air blower containing cavity; an upper cover plate is arranged on the separator plate; and the respirator is configured that a first cavity is formed between the separator plate and the housing, a space between the separator plate and the upper cover plate is divided by the air blower body into a second cavity located in front of an air entering port of the air blower body and a flow monitoring cavity located behind an air exit port of the air blower body, and an air flow channel communicating with the first cavity and the second cavity is formed in the separator plate.

Dependencies are inferred from the claim text.