Patent ID: 11905159
Assignee: nan
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A vapor recovery system for a mobile fueler during a fuel operation, comprising:
a. a vacuum jet pump comprising:
i. a vapor recovery inlet and a liquid fuel inlet, a surge cavity, a ullage pressure channel, a mixing channel, a housing collar, an upper central cylindrical conduit, an aerator, a converging jet orifice, and a lower cylindrical conduit,
ii. a diaphragm assembly having a collar securing a control rod in the center of a diaphragm gasket and a spring,
iii. an upper housing cap having an ullage pressure port and being operable to secure said diaphragm assembly against said housing body to provide a fluid-tight seal, the diaphragm gasket defining an upper diaphragm cavity and a lower diaphragm cavity,
iv. a vapor channel connecting said surge chamber to said lower diaphragm cavity; and

b. a mobile fueler having a storage tank in communication with a supply pump that is operable to deliver fuel through a supply line to a fuel dispensing assembly having a vapor recovery inlet.