Abstract: A functional test machine for a variable displacement compressor includes a chuck device supported on a stand for grasping a variable displacement compressor, a crankcase pressure (Pc) gauge, a discharge pressure (Pd) gauge, and a suction pressure (Ps) gauge supported on a control panel of a table and connected to the compressor, and a control valve device includes a passage formed in a tubular member and coupled to the discharge pressure (Pd) gauge, and a valve member disposed in the tubular member for controlling an air flowing through the passage of the tubular member. The chuck device includes three claws for holding the compressor.

Abstract: A shoe cover includes a shoe cover upper and a shoe cover sole formed by a fabric, a shoe cover opening is formed at a top of the shoe cover upper, the shoe cover opening is engaged with an elastic cord, the shoe cover sole includes a center line L, the shoe cover include two elastic cords engaged in the shoe cover sole to create a folding shape and a wrinkle area and to increase a slip resistance, and the two elastic cords are engaged and located at two sides of the center line L to keep the shoe cover in place at the bottom of the wearer's shoes.

Abstract: A shoe cover includes a shoe cover upper and a shoe cover sole formed by a fabric, a shoe cover opening is formed at a top of the shoe cover upper, the shoe cover opening is engaged with an elastic cord, the shoe cover sole includes a center line L, the shoe cover include two elastic cords engaged in the shoe cover sole to create a folding shape and a wrinkle area and to increase a slip resistance, and the two elastic cords are engaged and located at two sides of the center line L.

Abstract: A compressor includes a housing, a drive shaft rotatably engaged in the housing, a stator attached to the housing, a pulley rotatably attached to the housing and rotatable relative to the housing, a front plate attached to the drive shaft and rotated in concert with the drive shaft, and a lock device includes a lock member attached to the drive shaft and rotated in concert with the drive shaft, and the lock member is secured to the front plate for anchoring and securing the front plate and the lock member and the drive shaft together. The drive shaft includes a non-circular section, and the lock member includes a non-circular bore engaged with the drive shaft for preventing the lock member from being rotated relative to the drive shaft.

Abstract: A hose connector repairing device includes two hose members, a vehicle part having two connecting segments, two hose connector repairing element each having one section and having a chamber for engaging with the connecting segment of the vehicle part, and the hose connector repairing elements each include another section for engaging with the hose members, and a tubular member is engaged into the other section of the hose connector repairing element for reinforcing the other section of the hose connector repairing elements and for allowing the hose connector repairing elements to be solidly and stably secured in the hose members and for preventing the hose connector repairing elements and the hose members from being squeezed and collapsed.

Abstract: A compressor includes a housing, a drive shaft rotatably engaged in the housing, a stator attached to the housing, a pulley rotatably attached to the housing and rotatable relative to the housing, a front plate attached to the drive shaft and rotated in concert with the drive shaft, and a lock device includes a lock member attached to the drive shaft and rotated in concert with the drive shaft, and the lock member is secured to the front plate for anchoring and securing the front plate and the lock member and the drive shaft together. The drive shaft includes a non-circular section, and the lock member includes a non-circular bore engaged with the drive shaft for preventing the lock member from being rotated relative to the drive shaft.

Abstract: A compressor includes a cylinder housing having a number of pistons, a control chamber communicating with piston casings, a suction chamber and a discharge chamber communicating with the piston casings, a control valve includes a receptacle engaged in the cylinder housing, a valve member engaged in the receptacle for controlling the pressurized air to flow from the discharge chamber into the control chamber of the cylinder housing, and a valve element for controlling a bypass of the pressurized air through the receptacle. A bellow device is connected to actuate the sliding member internally, and a sliding member is slidably engaged in the control space of the receptacle, and to operate the valve element externally with a solenoid device.

Abstract: A compressor includes a cylinder housing having a number of pistons, a control chamber communicating with piston casings, a suction chamber and a discharge chamber communicating with the piston casings, a control valve includes a receptacle engaged in the cylinder housing, a valve member engaged in the receptacle for controlling the pressurized air to flow from the discharge chamber into the control chamber of the cylinder housing, and a valve element for controlling a bypass of the pressurized air through the receptacle. A bellow device is connected to actuate the sliding member internally, and a sliding member is slidably engaged in the control space of the receptacle, and to operate the valve element externally with a solenoid device.

Abstract: A swash plate type compressor includes a number of cylinders engaged in a receptacle, a number of pistons slidably engaged in the cylinders and movable relative to the cylinders in a reciprocating action, a spindle rotatably engaged in the receptacle, the receptacle includes a bore for partially receiving the spindle, a spring biasing member is engaged with the spindle, a holder is engaged onto the spindle, a swash plate is attached to the holder and coupled to the pistons for moving the pistons in the reciprocating action in the cylinders, and a control valve plate device is engaged with the cylinders for guiding the air to flow from the inlet chamber of the receptacle into the cylinders and from the cylinders into the discharge chamber of the receptacle.