Resources Contact Us Home
Inhalation responsive gas pressure regulator

Image Number 7 for United States Patent #4971108.

A breathing apparatus forms a second stage of an inhalation responsive gas pressure regulator. The inhalation diaphragm is in the form of a cylinder within which an arcuate assembly is positioned, the arcuate assembly opening a valve for permitting the introduction of air from a second stage into the casing during inhalation.

  Recently Added Patents
Handheld electronic communication device having sliding display
Method and system for coordinating client and host security modules
Domain isolation through virtual network machines
Control of an electric machine
Method and system to generate finite state grammars using sample phrases
Combination for composite layered chip package
SONOS stack with split nitride memory layer
  Randomly Featured Patents
Movable toy automatically swingable between an up position and a down position
Friction clutch for a vehicle
Universal depth cut burr having dental and skeletal applications
Electronic component taking out apparatus
Communication system and method for real-time internet-based network connectivity to multiple heterogeneous backend systems
Record carrier with a servo track having wobble with reduced cross-talk and an apparatus for scanning the record carrier
Mixed conductor and mixed conductor producing method
Dual air bag and crossbar child safety seat
Adaptive engine for processing geographic data
Motor drive circuit with emergency auxiliary power supply energized by motor