Abstract: A nozzle cap includes a cap body defining a cap axis, the cap body defining a circumferential wall extending circumferentially around the cap axis; and a vibration sensor including a shaft, the shaft defining a first end and a second end, the first end attached to the circumferential wall, the cap axis positioned closer to the second end than to the first end.

Abstract: A nozzle cap for a fire hydrant includes a cap cover comprising a metal material; and a cap body defining a cap axis, the cap body comprising: an inner housing comprising a metal material; and an outer housing comprising a non-metal material, the outer housing disposed axially between the inner housing and the cap cover, the outer housing comprising a substantially circumferential wall, the substantially circumferential wall defining a cavity between the inner housing and the cap cover, wherein a first end of the substantially circumferential wall engages the inner housing.

Abstract: Example aspects of a nozzle cap for a fire hydrant and a method of detecting a leak in a fluid system are disclosed. The nozzle cap for a fire hydrant can include an outer housing defining a first end, a second end opposite the first end, and a substantially circumferential wall extending from the first end to the second end; an antenna coupled to the substantially circumferential wall of the outer housing; a cap cover coupled to the outer housing at the first end; and an inner housing coupled to the outer housing at the second end.

Abstract: Example aspects of a nozzle cap for a fire hydrant and a method for manufacturing a nozzle cap to detect leaks in a fluid system are disclosed. The nozzle cap for a fire hydrant can comprise a cap body, the cap body comprising an inner housing and an outer housing, the outer housing defining a cavity; a vibration sensor received within the cavity and configured to detect leaks in a fluid system connected to the fire hydrant; and a metal insert contacting the vibration sensor and the inner housing.

Abstract: A method for manufacturing a nozzle cap, the method including attaching an antenna printed circuit board (“PCB”) strip to an inner cover surface of an antenna cover; and inserting the antenna cover into a scallop defined by a circumferential wall of a cap body to position the antenna PCB strip between the antenna cover and the circumferential wall, the circumferential wall defining an outer wall surface, the antenna cover covering the scallop, the scallop extending radially inward into the circumferential wall relative to a first portion and a second portion of the outer wall surface, the scallop circumferentially positioned between the first portion and the second portion of the outer wall surface.

Abstract: A nozzle cap includes a cap body defining a cap axis, the cap body defining a circumferential wall extending circumferentially around the cap axis; and a vibration sensor including a shaft, the shaft defining a first end and a second end, the first end attached to the circumferential wall, the cap axis positioned closer to the second end than to the first end.

Abstract: A hydrant assembly includes a fire hydrant including a barrel, the barrel defining a barrel axis extending from a top barrel end of the barrel to a bottom barrel end of the barrel; and a vibration sensor enclosed within the fire hydrant, the vibration sensor defining a sensor axis extending from a first sensor end of the vibration sensor to a second sensor end of the vibration sensor, the sensor axis defining an angle relative to the barrel axis, the angle less than ninety degrees.

Abstract: A hydrant assembly includes a fire hydrant including a barrel, the barrel defining a barrel axis extending from a top barrel end of the barrel to a bottom barrel end of the barrel; and a vibration sensor enclosed within the fire hydrant, the vibration sensor defining a sensor axis extending from a first sensor end of the vibration sensor to a second sensor end of the vibration sensor, the sensor axis defining an angle relative to the barrel axis, the angle less than ninety degrees.

Abstract: Example aspects of a nozzle cap for a fire hydrant and a method for manufacturing a nozzle cap to detect leaks in a fluid system are disclosed. The nozzle cap for a fire hydrant can comprise a cap body, the cap body comprising an inner housing and an outer housing, the outer housing defining a cavity; a vibration sensor received within the cavity and configured to detect leaks in a fluid system connected to the fire hydrant; and a metal insert contacting the vibration sensor and the inner housing.

Abstract: A nozzle cap includes a cap body defining a first body end and a second body end, the cap body defining a circumferential wall extending from the first body end towards the second body end; an antenna cover circumferentially overlapping a portion of the circumferential wall, the antenna cover defining an inner cover surface facing the circumferential wall, an antenna cavity defined between the inner cover surface and the portion of the circumferential wall; and an antenna printed circuit board (“PCB”) strip positioned within the antenna cavity, the antenna PCB strip secured in facing engagement with the inner cover surface.

Abstract: A nozzle cap includes a cap body defining a first body end and a second body end, the cap body defining a circumferential wall extending from the first body end towards the second body end; an antenna cover circumferentially overlapping a portion of the circumferential wall, the antenna cover defining an inner cover surface facing the circumferential wall, an antenna cavity defined between the inner cover surface and the portion of the circumferential wall; and an antenna printed circuit board (“PCB”) strip positioned within the antenna cavity, the antenna PCB strip secured in facing engagement with the inner cover surface.

Abstract: Example aspects of a nozzle cap for a fire hydrant and a method of detecting a leak in a fluid system are disclosed. The nozzle cap for a fire hydrant can include an outer housing defining a first end, a second end opposite the first end, and a substantially circumferential wall extending from the first end to the second end; an antenna coupled to the substantially circumferential wall of the outer housing; a cap cover coupled to the outer housing at the first end; and an inner housing coupled to the outer housing at the second end.

Abstract: A hydrant assembly includes a fire hydrant including a barrel, the barrel defining a barrel axis extending from a top barrel end of the barrel to a bottom barrel end of the barrel; and a vibration sensor enclosed within the fire hydrant, the vibration sensor defining a sensor axis extending from a first sensor end of the vibration sensor to a second sensor end of the vibration sensor, the sensor axis defining an angle relative to the barrel axis, the angle less than ninety degrees.

Abstract: A nozzle cap includes a cap body, the cap body defining a cap axis extending from a first body end of the cap body to a second body end of the cap body; and a vibration sensor attached to the cap body, the vibration sensor defining a sensor axis extending from a first sensor end of the vibration sensor to a second sensor end of the vibration sensor, the sensor axis aligned perpendicular to the cap axis.

Abstract: Example aspects of a nozzle cap for a fire hydrant and a method for manufacturing a nozzle cap to detect leaks in a fluid system are disclosed. The nozzle cap for a fire hydrant can comprise a cap body, the cap body comprising an inner housing and an outer housing, the outer housing defining a cavity; a vibration sensor received within the cavity and configured to detect leaks in a fluid system connected to the fire hydrant; and a metal insert contacting the vibration sensor and the inner housing.

Abstract: A nozzle cap includes a cap body defining a first body end and a second body end, the cap body defining a circumferential wall extending from the first body end towards the second body end; an antenna cover circumferentially overlapping a portion of the circumferential wall, the antenna cover defining an inner cover surface facing the circumferential wall, an antenna cavity defined between the inner cover surface and the portion of the circumferential wall; and an antenna printed circuit board (“PCB”) strip positioned within the antenna cavity, the antenna PCB strip secured in facing engagement with the inner cover surface.

Abstract: A nozzle cap includes a cap body, the cap body defining a cap axis extending from a first body end of the cap body to a second body end of the cap body; and a vibration sensor attached to the cap body, the vibration sensor defining a sensor axis extending from a first sensor end of the vibration sensor to a second sensor end of the vibration sensor, the sensor axis aligned perpendicular to the cap axis.