Pnumatically actuated bi-propellant valve (PABV) system for a throttling vortex engine

A pneumatically actuated bi-propellant valve system (10), comprising:

• a pilot valve assembly (12) having a supply tube (14) directly connecting to a pilot valve (16) secured to a pilot valve housing (18);
• a bifurcated channel (22);
• a pneumatic gas conduit (20) connecting to said supply tube (14) and said pilot valve (16), said pneumatic gas conduit further being connected to said bifurcated channel (22);
• a first valve mechanism (24A) provided with a first housing (26A) which forms a first aft chamber region (28A), a first channel region (30A) and a first front chamber region (32A);
• said first aft chamber region (28A) being provided with a first fitting (34A) which connects to said bifurcated channel (22);
• said first channel region (30A) accommodating a first poppet (36A);
• a first piston (38A) located in said first aft chamber region (28A) makes direct contact with said first poppet (36A);
• an inlet fuel tube (40A) directly connecting to said first front chamber region (32A);
• a first biasing mechanism (42A) connected to said first piston and said first housing for impeding movement of said first piston toward the direction of said inlet fuel tube (38A);
• a fuel outlet (44A) directly connected to said first channel region;
• a second valve mechanism (24B) provided with a second housing (26B) which forms a second aft chamber region (28B), a second channel region (30B) and a second front chamber region (32B);
• said second aft chamber region (28B) being provided with a second fitting (34B) which connects to said bifurcated channel (22);
• said second channel region (30B) accommodating a second poppet (36B);
• a second piston (38B) located in said second aft chamber region (28B) makes direct contact with said second poppet (36B);
• an inlet oxidizer tube (40B) directly connecting to said second front chamber region (32A);
• a second biasing mechanism (42B) connected to said second piston (38B) and said second housing (26B) for impeding movement of said second piston in the direction of said inlet oxidizer tube (40B);
• an oxidizer outlet (44B) directly connected to said second channel region (30B);
• and
• wherein when said pilot valve (16) is open, pressurized gas flows from said supply tube (14) through conduit (20) and into said bifurcated channel (22) such that the pressurized gas exerts a sufficient force such that said first piston pushes said first poppet in the direction of said inlet fuel tube (40A) so as to allow fuel from said inlet fuel tube to pass through said first front chamber region (32A) into said first channel region (30A) and out said fuel outlet (44A);
• and
• when said pilot valve (16) is open, the pressurized gas flows from said supply tube (14) through conduit (20) and into said bifurcated channel (22) such that the pressurized gas exerts a sufficient force such that said second piston pushes said second poppet (36B) in the direction toward said inlet oxidizer tube (40B) so as to allow oxidizer from said oxidizer inlet tube (40B) to pass through said second front chamber region (32B) into said second channel region (30B) and out said oxidizer outlet (44B).