Patent ID: 11939757
Assignee: SHANGHAI KOHLER ELECTRONICS, LTD.
Field: Civil engineering (Other fields)
Classification: CPC E  B | IPC B  D  E

Claim 3:
4. The descaling apparatus according to claim 3,
wherein the descaling agent storage box comprises an air exhaust hole,
wherein the air exhaust assembly comprises:
an air exhaust plate disposed in the descaling agent storage box;
an air exhaust rod comprising:
a first end connected to the air exhaust plate; and
a second end extending from the descaling agent storage box through the air exhaust hole; and

an air exhaust spring comprising:
a first end connected to the second end of the air exhaust rod; and
a second end engaged with the descaling agent storage box,

wherein a diameter of the air exhaust hole is larger than a diameter of the air exhaust rod, and
wherein the air exhaust plate is configured to cover the air exhaust hole.