Patent ID: 9605766
Date: 2017-03-28
CPC Classifications: F16K,F16M,F17C

Claim:
1. A pressure relief valve comprising constant force spring assemblies, a sealing disc, and a single adjustment screw, said pressure relief valve further comprising a single integral one component spring block, said single spring block comprising a single larger upper integral solid polyhedral segment and a single smaller integral solid polyhedral lower segment, said single larger upper integral solid polyhedral segment being larger than said single smaller integral solid polyhedral lower segment, said single upper integral solid polyhedral segment being vertically aligned with said single smaller integral solid polyhedral lower segment, said spring block comprising a first plurality of aligned apertures along a first horizontal plane through said single larger upper integral solid polyhedral segment, and a second plurality of said aligned apertures being aligned along a second horizontal plane through said single lower smaller integral solid polyhedral lower segment, and said first horizontal plane and said second horizontal planes being in spaced vertical alignment with each other, said pressure relief valve further comprising only a first spring bracket and a second spring bracket, said pressure relief valve further comprising a first spring bracket brace bar and said second spring bracket brace bar, said first spring bracket brace bar and said second spring bracket brace bar each mechanically attaching said first spring bracket to said second spring bracket.