Bypass Or Relief Controlled By Main Line Fluid Condition Patents (Class 137/115.01)
- With pressure reducing inlet valve (Class 137/116.3)
- Common sensor for both bypass or relief valve and other branch valve (Class 137/115.14)
- Bypass or relief valve biased open (Class 137/115.16)
- Bypass or relief valve responsive to pressure downstream of outlet valve (Class 137/115.18)
- Plural sensors for single bypass or relief valve (Class 137/115.21)
- Pilot valve operated (Class 137/115.23)
- Mechanical movement between sensor and valve (Class 137/115.24)
- Electrical control (Class 137/115.25)
- Sensor rigid with valve (Class 137/115.26)