A sprayer can include a sprayer body, a reservoir coupled to the sprayer body, a cleaning fluid reservoir coupled to the sprayer body and a pump assembly arranged within the sprayer body and coupled to the reservoir and the cleaning fluid reservoir. The pump assembly can include a pump barrel that d
A sprayer can include a sprayer body, a reservoir coupled to the sprayer body, a cleaning fluid reservoir coupled to the sprayer body and a pump assembly arranged within the sprayer body and coupled to the reservoir and the cleaning fluid reservoir. The pump assembly can include a pump barrel that defines a central aperture, a piston arranged within the central aperture, a solenoid coupled to the piston and configured to reciprocate the piston within the central aperture during operation of the sprayer, and a manifold assembly coupled to the pump barrel and including a valve member movable between a first position and a second position. The valve member can fluidly couple the central aperture with the reservoir in the first position and fluidly couple the central aperture with the cleaning fluid reservoir in the second position.
대표청구항▼
1. A sprayer comprising: a sprayer body having a housing, a pump assembly, a supply tube, and a nozzle, the pump assembly being housed in the housing, the supply tube being coupled in fluid communication with the pump assembly, the nozzle being coupled in fluid communication with the pump assembly,
1. A sprayer comprising: a sprayer body having a housing, a pump assembly, a supply tube, and a nozzle, the pump assembly being housed in the housing, the supply tube being coupled in fluid communication with the pump assembly, the nozzle being coupled in fluid communication with the pump assembly, the pump assembly including: a pump barrel that defines a central aperture;a piston arranged within the central aperture;a solenoid coupled to the piston and configured to reciprocate the piston within the central aperture during operation of the sprayer; anda manifold assembly coupled to the pump barrel and including a valve member movable between a first position and a second position;a first fluid reservoir coupled to the sprayer body at a first location, the supply tube being received in the first fluid reservoir;a second fluid reservoir coupled to the sprayer body at a second location, the second location being spaced apart from the first location such that the second fluid reservoir is located remotely from the first fluid reservoir;wherein the valve member fluidly couples the central aperture with the first fluid reservoir when the valve member is in the first position, and wherein the valve member fluidly couples the central aperture with the second fluid reservoir when the valve member is in the second position. 2. The sprayer of claim 1, wherein the valve member is rotated between the first and second positions. 3. The sprayer of claim 1, wherein the manifold assembly further includes a manifold structure and a flange, the manifold structure being disposed between the pump barrel and the flange and including a first supply conduit, a second supply conduit and a cleaning solution supply conduit. 4. The sprayer of claim 3, wherein the valve member includes a first valve conduit and a second valve conduit, the valve member fluidly coupling the first valve conduit with the central aperture in the first position and fluidly coupling the second valve conduit with the central aperture in the second position. 5. The sprayer of claim 4, wherein the second valve conduit is sealingly disposed with the manifold structure in the first position. 6. The sprayer of claim 5, wherein the second valve conduit is fluidly coupled with the cleaning fluid reservoir. 7. The sprayer of claim 1, wherein the valve member is translated between the first and second positions. 8. The sprayer of claim 7, wherein the valve member includes at least one valve element, the at least one valve element including a first engaging portion, a second engaging portion and a body portion extending between the first and second engaging portion. 9. The sprayer of claim 8, wherein the manifold assembly further includes a manifold structure and a flange, the manifold structure being disposed between the pump barrel and the flange. 10. The sprayer of claim 9, wherein the second engaging portion sealingly engages the manifold structure in the first position to block fluid flow from the cleaning fluid reservoir into the central aperture. 11. The sprayer of claim 9, wherein the first engaging portion sealingly engages the manifold structure in the second position to block fluid flow from the reservoir into the central aperture. 12. The sprayer of claim 7, further comprising an actuator that translates the valve member between the first and second positions. 13. The sprayer of claim 12, wherein the actuator includes a pair of slider buttons coupled to the valve member. 14. The sprayer of claim 12, wherein the actuator includes a rotary actuator. 15. The sprayer of claim 14, wherein the rotary actuator includes an input knob, a worm drive and a worm plate. 16. The sprayer of claim 14, wherein rotation of the input knob rotates the worm drive, rotation of the worm drive translates the worm plate and translation of the worm plate translates the valve member.
Trautwein Wolfgang (Meersburg DEX) Zerweck Klaus (Leonberg DEX) Konhuser Peter (Stuttgart DEX) Sprenger Jrgen (Leinfelden-Echterdingen DEX) Griebel Heinrich (Friedrichshafen DEX), Apparatus for delivering a liquid or thick medium.
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