APPARATUS FOR ANTI-FREEZING PCV

• US 20120138030A1
• Filed: 06/30/2011
• Published: 06/07/2012
• Est. Priority Date: 12/03/2010
• Status: Active Grant

• Current Assignee: Hyundai Motor Company (Hyundai Motor Group), Kia Motors Corporation (Kia Corp.)
• Original Assignee: Hyundai Motor Company (Hyundai Motor Group), Kia Motors Corporation (Kia Corp.)
• Inventors: YANG, Il Suk
• Granted Patent: US 8,517,002 B2
• Time in Patent Office: Days
• US Class Current: 123/574
• CPC Class Codes: F01M 13/022 using engine inlet suction
• CPC Class Codes: F01M 2013/0027 with a de-icing or defrosting system
• CPC Class Codes: F02M 25/06 adding lubricant vapours
• CPC Class Codes: F02M 35/088 Water, snow or ice proofing; Separation or drainage of water, snow or ice
• CPC Class Codes: F02M 35/10222 Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
• CPC Class Codes: Y02T 10/12 Improving ICE efficiencies

Abstract

An apparatus for anti-freezing a PCV prevents condensed water from blocking an outlet of a PCV chamber by leading the condensed water condensed at an inner all of the PCV chamber to a condensed water storing portion. The apparatus may include a PCV chamber forming a space therein, a blow-by gas expanding in the space, an inlet connected to the PCV chamber and adapted to supply the blow-by gas to the PCV chamber, an outlet formed lower than the inlet with respect to a horizontal axis, slanted to the horizontal axis by a predetermined angle, and connected to the PCV chamber so as to exhaust the blow-by gas to a rear end of a throttle body, protruding portions formed at a front surface and a rear surface of an inner wall of the PCV chamber along an extending direction of the outlet, and guiding a condensed water at the inner wall of the PCV chamber, and a partition having plate shape and mounted along a length direction of the protruding portions at a part of the protruding portions.

Claims

1. An apparatus for anti-freezing a positive crankcase vent (PCV), comprising:

a PCV chamber forming a space within an engine, whereby a blow-by gas may expand in the space;

an inlet connected to the PCV chamber and adapted to supply the blow-by gas to the PCV chamber; and

an outlet formed lower than the inlet with respect to a horizontal axis, wherein the outlet is slanted with respect to the horizontal axis by a predetermined angle, and connected to the PCV chamber so as to exhaust the blow-by gas toward a rear of a throttle body of the engine.

2. The apparatus of claim 1, further comprising:

protruding portions formed at a front surface and a rear surface of an inner wall of the PCV chamber extending along a direction of the outlet, and guiding a condensed water at the inner wall of the PCV chamber; and

a partition having a plate shape and mounted along a length direction of the protruding portions.

3. The apparatus of claim 2, wherein the inlet is formed at one end and the outlet is formed at another end with respect to the horizontal axis, and

wherein the inlet is formed at an upper portion and the outlet is formed at a lower portion with respect to a vertical axis.

4. The apparatus of claim 3, wherein the protruding portion is extended from the one end to the other end with respect to the horizontal axis.

5. The apparatus of claim 3, wherein the partition extends from a middle portion to the another end with respect to the horizontal axis.

6. The apparatus of claim 5, wherein a drain hole is formed between another end of the partition and another end of the outlet.

7. The apparatus of claim 2, wherein the partition is formed along the outlet at a predetermined height from a lower end of the outlet.

8. The apparatus of claim 7, wherein the predetermined height is ⅔

of a diameter of the outlet.