US 12,330,003 B2
Fluid delivery system for a fire apparatus
David Fieber, Neenah, WI (US); Brian Piller, Neenah, WI (US); and Chad Trinkner, Neenah, WI (US)
Assigned to OSHKOSH CORPORATION, Oshkosh, WI (US)
Filed by Oshkosh Corporation, Oshkosh, WI (US)
Filed on Sep. 27, 2023, as Appl. No. 18/373,819.
Application 18/373,819 is a continuation of application No. 17/531,017, filed on Nov. 19, 2021, granted, now 11,813,489.
Application 17/531,017 is a continuation of application No. 16/035,264, filed on Jul. 13, 2018, granted, now 11,185,728.
Claims priority of provisional application 62/532,817, filed on Jul. 14, 2017.
Prior Publication US 2024/0017109 A1, Jan. 18, 2024
Int. Cl. A62C 37/00 (2006.01); A62C 5/00 (2006.01); A62C 27/00 (2006.01)
CPC A62C 37/00 (2013.01) [A62C 5/002 (2013.01); A62C 27/00 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A ratio controller for a fluid system of a fire apparatus, the ratio controller comprising:
a housing having a unitary structure, the housing defining:
a water inlet configured to receive water from a water supply;
an outlet configured to output an agent-water solution;
a mixing chamber positioned between the water inlet and the outlet;
a first pressure port extending through a sidewall of the housing at a first position proximate the water inlet; and
a second pressure port extending through the sidewall of the housing at a second position proximate the mixing chamber; and
an agent port positioned between the water inlet and the outlet, the agent port protruding radially outward from an exterior surface of the sidewall external to the ratio controller, the agent port defining an agent inlet extending through the housing to the mixing chamber, the agent port configured to receive agent from an agent supply and provide the agent to the mixing chamber.