US Patent 10435875 Debris trap

Debris traps are described including a housing, the housing including an inlet and an outlet and a fluid flow passage extending from the inlet to the outlet. The housing further including an inspection opening and an inspection cover which is removable to allow access to the fluid flow passage. A debris trapping device is arranged to lie across the fluid flow passage and the debris trapping device may be introduced to, or withdrawn from, the housing through the inspection opening.