Abstract: A sensor assembly includes a sensor including a sensor lens, a casing mounted to the sensor, and a fluid nozzle mounted to the casing. The casing at least partially defines a duct positioned to outlet airflow across the sensor lens, and the duct defines a direction of airflow. The fluid nozzle is aimed through the duct in the direction of airflow.

Abstract: A sensor assembly includes a housing defining a chamber. The sensor assembly includes a sensor supported by the housing. The sensor assembly includes a duct extending from a first end to a second end, the first end of the duct being open to an environment external to the chamber and the second end being fluidly connected to the chamber. The duct includes a first portion at the first end, a second portion at the second end, and a middle portion between the first portion and the second portion. The middle portion extends downward from the first portion, and the second portion extends upward to the second end.

Abstract: A sensor assembly includes a base, a housing mounted to the base and rotatable relative to the base around an axis in a direction of rotation, a sensing apparatus inside the housing and rotatable with the housing, and a sensor window extending from a point on the housing in a direction that is radially outward and circumferential relative to the axis. The sensor window is flat. The sensing apparatus has a field of view through the sensor window. An exterior surface of the sensor window faces in a direction that is radially outward and circumferentially in the direction of rotation relative to the axis.

Abstract: A sensor assembly includes a base mounted to a vehicle defining a forward direction, a housing mounted to the base and rotatable relative to the base around an axis in a direction of rotation, a sensing apparatus inside the housing and rotatable with the housing, a sensor window fixed to and rotatable with the housing, and a nozzle fixed relative to the base. The sensor window is flat. The sensing apparatus has a field of view through the sensor window. The nozzle is positioned to be aimed at the sensor window when the sensor window is at a first rotational position that is more than 0° and less than 90° from the forward direction relative to the axis in the direction of rotation.

Abstract: A sensor assembly includes a base, a sensor body mounted to the base and rotatable around an axis relative to the base, a sensor window fixed relative to the sensor body, a sensing apparatus inside the sensor body and having a field of view through the sensor window, a vapor chamber fixed relative to the sensor body, and a heat pipe extending from the sensor body to the vapor chamber. The vapor chamber is spaced radially outward from the sensor body relative to the axis and has a curved shape extending circumferentially around the axis.

Abstract: A sensor assembly includes a base and a sensor housing mounted to the base. The sensor housing is rotatable relative to the base about an axis. The sensor housing includes a top panel having an exterior surface. A plurality of fins are disposed on the exterior surface and are fixed relative to the sensor housing. The fins extend radially outward relative to the axis.

Abstract: A sensor assembly for a vehicle includes a base, a sensor body mounted to the base and rotatable relative to the base around an axis in a direction of rotation, and a cover. The sensor body includes a sensor window and a wall having heat fins elongated circumferentially relative to the axis. The cover is positioned to cover the heat fins. The cover includes an inlet open in the direction of rotation. The cover defines an airflow path from the inlet through the heat fins. The cover includes an outlet positioned to direction air across the sensor window.

Abstract: A sensor apparatus includes a sensor window, a nozzle head coupled to the sensor window and including a first orifice and a second orifice, and a deflector fixed relative to the sensor window. The first orifice is shaped to discharge onto a first region of the sensor window. The second orifice is shaped to discharge onto a second region of the sensor window. The deflector is positioned to deflect at least some of the discharge from the second orifice onto a third region of the sensor window.

Abstract: A sensor apparatus includes a cylindrical sensor window defining an axis and an air nozzle positioned at one end of the sensor window and shaped to direct airflow in a direction parallel to the axis across the sensor window. The air nozzle extends circumferentially relative to the axis around the sensor window. The nozzle is formed of an inner edge and an outer edge each extending circumferentially relative to the axis around the sensor window. The inner edge is circular with a radius at least as great as an outer radius of the sensor window. The outer edge includes a first portion with a semicircular shape with a radius smaller than the outer radius of the sensor window and a second portion that extends circumferentially relative to the axis around the sensor window from the first portion to the first portion at a constant radial distance from the inner edge.

Abstract: A sensor-cleaning apparatus includes an upper piece, a lower piece fixed to the upper piece, a plurality of inserts inserted into the upper piece, and a plurality of nozzles. The upper piece and the lower piece form a tubular segment that is elongated along an arc of circle and encloses a chamber. Each nozzle is formed of the upper piece and one of the inserts. Each nozzle includes a deflection surface and a tunnel from the chamber to the deflection surface, and each tunnel is partially formed of the upper piece and partially formed of the respective insert.

Abstract: An assembly includes a base. The assembly includes an object detection sensor. The assembly includes a deflector extending upward from the base in front of the object detection sensor. The deflector is configured to direct ram air away from the object detection sensor. The assembly includes a nozzle supported by the deflector and aimed at the object detection sensor.

Abstract: A sensor apparatus includes a first sensing device, a sensor housing, a bracket, a second sensor, and a channel plate. The sensor housing includes a first sensor window and a top panel, and the first sensing device has a field of view through the first sensor window. The bracket is mounted on top of the top plate. The second sensor is held by the bracket and includes a second sensor window. The channel plate is fixed to the bracket. The bracket includes a first nozzle aimed at the first sensor window and a second nozzle aimed at the second sensor window. The bracket includes a channel fluidly connected to the first nozzle and the second nozzle.

Abstract: A sensor apparatus includes a housing attachable to a vehicle and including a panel, a sensor window, a liquid nozzle fixed relative to the housing, and a tunnel. The panel includes a port. The sensor window is positioned in the port. The liquid nozzle is aimed at the sensor window. The liquid nozzle is positioned in a first horizontal direction from the port along the panel. The tunnel extends along the panel and is positioned in a second horizontal direction from the port, the second horizontal direction being opposite the first horizontal direction. The tunnel terminates at an opening positioned to receive fluid outputted by the nozzle.

Abstract: A sensor apparatus includes a cylindrical sensor window defining an axis, and a plurality of at least three tubular segments fixed relative to the sensor window. Each tubular segment is elongated circumferentially relative to the axis. The tubular segments collectively form a ring substantially centered around the axis. Each tubular segment includes a plurality of nozzles. Each nozzle includes a first opening and a second opening. Each of the first openings has a direction of discharge in a radially inward and axial direction forming a first angle with the axis, and each of the second openings has a direction of discharge in a radially inward and axial direction forming a second angle with the axis. The second angle is different than the first angle.

Abstract: A sensor apparatus includes a sensor, a heat pipe, and a cover. The sensor includes a sensor housing. The sensor housing includes a sensor window oriented generally vertically and a top surface fixed relative to the sensor window above the sensor window and oriented generally horizontally. The heat pipe is fixed relative to the sensor, wherein the heat pipe is elongated from a first end to a second end, the first end is contacting the top surface, and the second end is spaced from the top surface. The cover covers the top surface and the heat pipe, and the cover is shaped to define a vertical gap between the top surface and the cover.

Abstract: A sensor apparatus includes a sensor, a heat pipe, and a cover. The sensor includes a sensor housing. The sensor housing includes a sensor window oriented generally vertically and a top surface fixed relative to the sensor window above the sensor window and oriented generally horizontally. The heat pipe is fixed relative to the sensor, wherein the heat pipe is elongated from a first end to a second end, the first end is contacting the top surface, and the second end is spaced from the top surface. The cover covers the top surface and the heat pipe, and the cover is shaped to define a vertical gap between the top surface and the cover.

Abstract: A system can include a solenoid manifold including a plurality of solenoid valves to control fluid flow between a tube and a plurality of nozzles, wherein one end of the tube is connected to a pump and the other end of the tube is connected to an inlet of the solenoid manifold; and a controller programmed to determine whether at least one solenoid valve of the plurality of solenoid valves is incorrectly in an open position based on pressure measurements representing a fluid pressure within the tube.

Abstract: A cleaning system includes a straight pipe defining an axis, an inlet fluidly connected to the pipe and in line with the axis, and at least three outlets fluidly connected to and elongated from the pipe. The outlets extend parallel to each other and transverse from the pipe. The pipe has an increasing cross-sectional area along the axis from the outlet closest to the inlet to the outlet farthest from the inlet.

Abstract: A sensor apparatus includes a sensor window; a first nozzle adjacent to the sensor window and oriented to blow across the sensor window, the first nozzle positioned below the sensor window and in a first horizontal direction away from the sensor window, the first nozzle being slot-shaped with a first length and a first thickness; and a second nozzle adjacent to the first nozzle and oriented to blow across the sensor window, the second nozzle positioned below the sensor window and in the first horizontal direction away from the sensor window, the second nozzle being slot-shaped with a second length and a second thickness. The second nozzle is farther from the sensor window in the first horizontal direction than the first nozzle, and the first length of the first nozzle is greater than the second length of the second nozzle.

Abstract: A sensor apparatus includes a sensor window, a nozzle head coupled to the sensor window and including a first orifice and a second orifice, and a deflector fixed relative to the sensor window. The first orifice is shaped to discharge onto a first region of the sensor window. The second orifice is shaped to discharge onto a second region of the sensor window. The deflector is positioned to deflect at least some of the discharge from the second orifice onto a third region of the sensor window.