Air conditioning compressor having reduced suction pulsation

Details Air conditioning compressor having reduced suction pulsation Air conditioning compressor having reduced suction pulsation

2005-06-21

2005-06-21

Tyler, Cheryl (Department: 3746)

Pumps

Three or more cylinders arranged in parallel, radial, or...

C417S222200, C417S450000, C417S312000, C417S540000, C251S061500, C251S129020, C251S129150, C251S125000

Reexamination Certificate

active

06908290

ABSTRACT:
A compressor for an automotive air conditioning system includes a cylinder head that comprises a mixing chamber, suction chamber and discharge chamber. The cylinder head comprises a first annular wall defining a mixing chamber and a second annular wall disposed about the first annular wall and spaced apart therefrom to define the suction chamber that communicates with the suction ports to the cylinder chambers. The discharge chamber is disposed about the second annular wall and communicates with the discharge ports. Refrigerant flows through the mixing chamber in a swirling or other turbulent pattern and into suction chamber through circumferentially spaced openings. By providing the mixing chamber and isolating the mixing chamber from the suction chamber, pressure pulsation resulting from opening of the suction ports to admit refrigerant is reduced.

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